Most valuable Kyogre Star #028 €3,476.40
Pokémon TCG · Japanese · JP-PCG6
Holon Research Tower (Japanese) card list
Released October 28, 2005 86 cards
- Card list
- 86 cards
- Most valuable
- Kyogre Star #028, €3,476.40
- Set value
- €9,399.09
- Sealed products
- 2 products
- Release date
- October 28, 2005
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About Holon Research Tower
Holon Research Tower (Japanese) is a Pokémon TCG set released on October 28, 2005, worth about €9,399.09 on Cardmarket in total: the sum of the market prices of its 86 priced cards. It has 86 cards. The most valuable is Kyogre Star #028 at €3,476.40 on Cardmarket, and 28 of its 86 market-priced cards are under $5. Its 5 most valuable cards make up 80% of its market value. At the median, Cardmarket prices are 8.6% higher than TCGplayer’s (14 of 31 cards worth $1 or more on both markets are cheaper in Europe). Prices updated November 12, 2026.
Holon Research Tower in numbers
| Figure | Value | Source |
|---|---|---|
| Total value (EUR) | €9,399.09 | Sum of the Near Mint Cardmarket price trends of 86 cards, one per card; lowest listings left out, nothing converted (Sparkl’s set-value definition) |
| Cards in the set | 86 | Sparkl catalog |
| Most valuable card | Kyogre Star #028 · €3,476.40 | Cardmarket price trend, Near Mint |
| Cards under $5 | 28 of 86 | Near Mint TCGplayer market price; Cardmarket converted where TCGplayer has none; cards priced only by a lowest listing left out |
| Value in the top 5 cards | 80% (top 10: 87%) | Share of the set’s market value held by its most valuable cards, 86 market-priced cards (TCGplayer; Cardmarket converted where TCGplayer has none), computed by Sparkl |
| Cardmarket vs TCGplayer | +8.6% (median) | 31 cards with a market price at $1 or more on both markets, 14 cheaper on Cardmarket; euros converted at $1.1081 |
| Released | October 28, 2005 | Sparkl catalog |
| Prices updated | November 12, 2026 | Retrieval date of the TCGplayer and Cardmarket prices |
Holon Research Tower prices by rarity
| Rarity | Cards priced | Median | Most valuable |
|---|---|---|---|
| Shiny Rare | 3 | $2,752.88 | Kyogre Star #028 · $3,852.20 |
| Rare Holo | 22 | $49.49 | Umbreon (Delta Species) #069 · $420.00 |
| Rare | 20 | $8.50 | Ditto #033 · $198.93 |
| Common | 21 | $5.20 | Drowzee #044 · $29.00 |
| Uncommon | 20 | $4.00 | Dragonair (Delta Species) #035 · $12.50 |
Near Mint market prices in dollars: TCGplayer, or Cardmarket converted where TCGplayer has none; lowest listings left out. Medians computed by Sparkl.
Most valuable cards in Holon Research Tower
-
Kyogre Star#028 · Shiny Rare €3,476.40
-
-
-
Umbreon (Delta Species)#069 · Rare Holo $420.00 · €209.53
-
Dragonite (Delta Species)#039 · Rare Holo $250.00 · €102.27
-
Ditto#033 · Rare from $150.00 · €179.52
-
Vaporeon (Delta Species)#030 · Rare Holo $149.99 · €366.42
-
Jolteon (Delta Species)#038 · Rare Holo €107.85
-
Espeon (Delta Species)#049 · Rare Holo €94.90
-
Marowak (Delta Species)#058 · Rare Holo $99.99 · €8.79
Near Mint market prices on TCGplayer and Cardmarket, ranked by the TCGplayer market price (Cardmarket converted where TCGplayer has none); a card priced only by a lowest listing is not ranked, updated November 12, 2026.
Holon Research Tower sealed products
Booster boxes, packs, bundles and collections, with current TCGplayer and Cardmarket prices.
Holon Research Tower Booster (Japanese)TCGplayer –Cardmarket –
Holon Research Tower Booster Box (Japanese)TCGplayer –Cardmarket –
TCGplayer (USD) · Cardmarket (EUR)
| Product | TCGplayer | Cardmarket |
|---|---|---|
| Holon Research Tower Booster (Japanese) | – | – |
| Holon Research Tower Booster Box (Japanese) | – | – |
Set value
€9,399.09Cardmarket price trends · 86 cardsCards under $528 of 86
Value in the top 5 cards80%
Holon Research Tower card list
Track this set in SparklAll 86 printings in set order, with finishes and current market prices.
WeedleTCGplayer $5.00 Cardmarket €1.371st Edition, Unlimited HoloOpen in Sparkl
KakunaTCGplayer $7.50 Cardmarket €0.921st Edition, Unlimited HoloOpen in Sparkl
ZubatTCGplayer $5.58 Cardmarket €4.351st Edition, Unlimited HoloOpen in Sparkl
GolbatTCGplayer $2.99 Cardmarket €1.421st Edition, Unlimited HoloOpen in Sparkl
KoffingTCGplayer $8.75 Cardmarket €2.511st EditionOpen in Sparkl
WeezingTCGplayer $3.00 Cardmarket €6.131st EditionOpen in Sparkl
DittoTCGplayer $75.00 Cardmarket €97.531st EditionOpen in Sparkl
VolbeatTCGplayer – Cardmarket €11.94NormalOpen in Sparkl
IllumiseTCGplayer from $3.00 Cardmarket €3.741st Edition, Unlimited HoloOpen in Sparkl
Beedrill (Delta Species)TCGplayer $37.69 Cardmarket €53.53First Edition Holo, Unlimited HoloOpen in Sparkl
Crobat (Delta Species)TCGplayer from $39.99 Cardmarket €25.40First Edition HoloOpen in Sparkl
DittoTCGplayer $89.99 Cardmarket €72.221st EditionOpen in Sparkl
Larvitar (Delta Species)TCGplayer $4.00 Cardmarket €2.791st Edition, Unlimited HoloOpen in Sparkl
Pupitar (Delta Species)TCGplayer $5.00 Cardmarket €2.061st EditionOpen in Sparkl
Sunny CastformTCGplayer from $20.00 Cardmarket €3.741st EditionOpen in Sparkl
Bagon (Delta Species)TCGplayer $3.00 Cardmarket €2.011st Edition, Unlimited HoloOpen in Sparkl
Shelgon (Delta Species)TCGplayer $1.50 Cardmarket €2.061st Edition, Unlimited HoloOpen in Sparkl
Flareon (Delta Species)TCGplayer $48.99 Cardmarket €101.32First Edition HoloOpen in Sparkl
Mewtwo (Delta Species)TCGplayer $93.50 Cardmarket €223.49First Edition Holo, Unlimited HoloOpen in Sparkl
Tyranitar (Delta Species)TCGplayer $36.99 Cardmarket €108.28First Edition HoloOpen in Sparkl
Salamence (Delta Species)TCGplayer $20.00 Cardmarket €18.05First Edition Holo, Unlimited HoloOpen in Sparkl
SlowpokeTCGplayer $9.50 Cardmarket €2.111st EditionOpen in Sparkl
StaryuTCGplayer $5.00 Cardmarket €1.401st EditionOpen in Sparkl
DittoTCGplayer from $199.99 Cardmarket €57.61Unlimited HoloOpen in Sparkl
SlowkingTCGplayer $20.00 Cardmarket €7.211st EditionOpen in Sparkl
Rain CastformTCGplayer from $5.00 Cardmarket €6.321st Edition, Unlimited HoloOpen in Sparkl
Snow-cloud CastformTCGplayer from $9.00 Cardmarket €2.791st EditionOpen in Sparkl
Starmie (Delta Species)TCGplayer $14.99 Cardmarket €26.37First Edition HoloOpen in Sparkl
Holon's VoltorbTCGplayer $4.00 Cardmarket €2.441st Edition, Unlimited HoloOpen in Sparkl
Holon's ElectrodeTCGplayer $3.00 Cardmarket €12.03First Edition Holo, Unlimited HoloOpen in Sparkl
Dratini (Delta Species)TCGplayer $6.00 Cardmarket €2.951st Edition, Unlimited HoloOpen in Sparkl
Dragonair (Delta Species)TCGplayer $12.50 Cardmarket €5.551st Edition, Unlimited HoloOpen in Sparkl
Beldum (Delta Species)TCGplayer $1.25 Cardmarket €1.431st Edition, Unlimited HoloOpen in Sparkl
Metang (Delta Species)TCGplayer $3.99 Cardmarket €4.491st Edition, Unlimited HoloOpen in Sparkl
Metagross (Delta Species)TCGplayer $49.99 Cardmarket €59.23First Edition Holo, Unlimited HoloOpen in Sparkl
Latias (Delta Species)TCGplayer $34.99 Cardmarket €69.38First Edition HoloOpen in Sparkl
Latios (Delta Species)TCGplayer $49.99 Cardmarket €52.64First Edition HoloOpen in Sparkl
Rayquaza (Delta Species)TCGplayer $69.99 Cardmarket €42.25First Edition HoloOpen in Sparkl
DrowzeeTCGplayer $29.00 Cardmarket €14.431st Edition, Unlimited HoloOpen in Sparkl
HypnoTCGplayer from $4.99 Cardmarket €4.671st EditionOpen in Sparkl
DittoTCGplayer $19.99 Cardmarket €55.751st EditionOpen in Sparkl
RaltsTCGplayer $5.00 Cardmarket €3.571st EditionOpen in Sparkl
KirliaTCGplayer $3.00 Cardmarket €3.231st Edition, Unlimited HoloOpen in Sparkl
Gardevoir (Delta Species)TCGplayer $83.11 Cardmarket €42.93First Edition Holo, Unlimited HoloOpen in Sparkl
SandshrewTCGplayer $11.50 Cardmarket €11.371st Edition, Unlimited HoloOpen in Sparkl
CuboneTCGplayer $7.00 Cardmarket €8.421st EditionOpen in Sparkl
DittoTCGplayer – Cardmarket €66.801st EditionOpen in Sparkl
MakuhitaTCGplayer $4.61 Cardmarket €1.951st Edition, Unlimited HoloOpen in Sparkl
HariyamaTCGplayer from $2.99 Cardmarket €5.221st Edition
Sandslash (Delta Species)TCGplayer from $54.00 Cardmarket €15.70First Edition Holo, Unlimited HoloOpen in Sparkl
MeowthTCGplayer $14.99 Cardmarket €4.431st Edition, Unlimited HoloOpen in Sparkl
PersianTCGplayer – Cardmarket €4.09NormalOpen in Sparkl
DittoTCGplayer – Cardmarket €50.73NormalOpen in Sparkl
PorygonTCGplayer $3.99 Cardmarket €0.911st Edition, Unlimited HoloOpen in Sparkl
Porygon2TCGplayer $1.75 Cardmarket €1.921st EditionOpen in Sparkl
TaillowTCGplayer $8.00 Cardmarket €2.901st Edition, Unlimited HoloOpen in Sparkl
SwellowTCGplayer from $11.99 Cardmarket €9.031st EditionOpen in Sparkl
AzurillTCGplayer $8.44 Cardmarket €1.271st EditionOpen in Sparkl
CastformTCGplayer from $35.00 Cardmarket €4.411st EditionOpen in Sparkl
PoochyenaTCGplayer $5.20 Cardmarket €2.421st Edition, Unlimited HoloOpen in Sparkl
Mightyena (Delta Species)TCGplayer $22.60 Cardmarket €39.43First Edition Holo, Unlimited HoloOpen in Sparkl
Holon's MagnemiteTCGplayer $3.88 Cardmarket €4.611st Edition, Unlimited HoloOpen in Sparkl
Holon's MagnetonTCGplayer – Cardmarket €21.59NormalOpen in Sparkl
Eevee (Delta Species)TCGplayer $10.00 Cardmarket €14.271st EditionOpen in Sparkl
SkarmoryTCGplayer $5.00 Cardmarket €2.161st Edition, Unlimited HoloOpen in Sparkl
Holon TransceiverTCGplayer – Cardmarket €10.03NormalOpen in Sparkl
Holon ScientistTCGplayer $4.99 Cardmarket €2.901st Edition, Unlimited HoloOpen in Sparkl
Holon ResearcherTCGplayer from $2.00 Cardmarket €2.691st Edition
Holon MentorTCGplayer – Cardmarket €2.48Normal
Holon FarmerTCGplayer from $1.50 Cardmarket €3.631st Edition, Unlimited Holo
Holon LassTCGplayer $4.00 Cardmarket €3.921st Edition, Unlimited HoloOpen in Sparkl
Holon Research TowerTCGplayer from $2.50 Cardmarket €3.091st Edition, Unlimited Holo
Holon RuinsTCGplayer from $3.00 Cardmarket €2.451st EditionOpen in Sparkl
Holon Energy GLTCGplayer from $4.04 Cardmarket €6.171st EditionOpen in Sparkl
Holon Energy FFTCGplayer from $2.00 Cardmarket €3.37Unlimited Holo
Holon Energy WPTCGplayer – Cardmarket €2.53Normal
| # | Card | Rarity | Finishes | TCGplayer | Cardmarket |
|---|---|---|---|---|---|
| 001 | Weedle | Common | 1st Edition, Unlimited Holo | $5.00 | €1.37 |
| 002 | Kakuna | Common | 1st Edition, Unlimited Holo | $7.50 | €0.92 |
| 003 | Zubat | Common | 1st Edition, Unlimited Holo | $5.58 | €4.35 |
| 004 | Golbat | Common | 1st Edition, Unlimited Holo | $2.99 | €1.42 |
| 005 | Koffing | Common | 1st Edition | $8.75 | €2.51 |
| 006 | Weezing | Rare | 1st Edition | $3.00 | €6.13 |
| 007 | Ditto | Rare | 1st Edition | $75.00 | €97.53 |
| 008 | Volbeat | Rare | Normal | – | €11.94 |
| 009 | Illumise | Rare | 1st Edition, Unlimited Holo | from $3.00 | €3.74 |
| 010 | Beedrill (Delta Species) | Rare Holo | First Edition Holo, Unlimited Holo | $37.69 | €53.53 |
| 011 | Crobat (Delta Species) | Rare Holo | First Edition Holo | from $39.99 | €25.40 |
| 012 | Ditto | Rare | 1st Edition | $89.99 | €72.22 |
| 013 | Larvitar (Delta Species) | Common | 1st Edition, Unlimited Holo | $4.00 | €2.79 |
| 014 | Pupitar (Delta Species) | Uncommon | 1st Edition | $5.00 | €2.06 |
| 015 | Sunny Castform | Rare | 1st Edition | from $20.00 | €3.74 |
| 016 | Bagon (Delta Species) | Common | 1st Edition, Unlimited Holo | $3.00 | €2.01 |
| 017 | Shelgon (Delta Species) | Uncommon | 1st Edition, Unlimited Holo | $1.50 | €2.06 |
| 018 | Flareon (Delta Species) | Rare Holo | First Edition Holo | $48.99 | €101.32 |
| 019 | Mewtwo (Delta Species) | Rare Holo | First Edition Holo, Unlimited Holo | $93.50 | €223.49 |
| 020 | Tyranitar (Delta Species) | Rare Holo | First Edition Holo | $36.99 | €108.28 |
| 021 | Salamence (Delta Species) | Rare Holo | First Edition Holo, Unlimited Holo | $20.00 | €18.05 |
| 022 | Slowpoke | Common | 1st Edition | $9.50 | €2.11 |
| 023 | Staryu | Common | 1st Edition | $5.00 | €1.40 |
| 024 | Ditto | Rare | Unlimited Holo | from $199.99 | €57.61 |
| 025 | Slowking | Rare | 1st Edition | $20.00 | €7.21 |
| 026 | Rain Castform | Rare | 1st Edition, Unlimited Holo | from $5.00 | €6.32 |
| 027 | Snow-cloud Castform | Rare | 1st Edition | from $9.00 | €2.79 |
| 028 | Kyogre Star | Shiny Rare | Normal | – | €3,476.40 |
| 029 | Starmie (Delta Species) | Rare Holo | First Edition Holo | $14.99 | €26.37 |
| 030 | Vaporeon (Delta Species) | Rare Holo | First Edition Holo, Unlimited Holo | $149.99 | €366.42 |
| 031 | Holon's Voltorb | Uncommon | 1st Edition, Unlimited Holo | $4.00 | €2.44 |
| 032 | Holon's Electrode | Rare Holo | First Edition Holo, Unlimited Holo | $3.00 | €12.03 |
| 033 | Ditto | Rare | Unlimited Holo | from $150.00 | €179.52 |
| 034 | Dratini (Delta Species) | Common | 1st Edition, Unlimited Holo | $6.00 | €2.95 |
| 035 | Dragonair (Delta Species) | Uncommon | 1st Edition, Unlimited Holo | $12.50 | €5.55 |
| 036 | Beldum (Delta Species) | Common | 1st Edition, Unlimited Holo | $1.25 | €1.43 |
| 037 | Metang (Delta Species) | Uncommon | 1st Edition, Unlimited Holo | $3.99 | €4.49 |
| 038 | Jolteon (Delta Species) | Rare Holo | First Edition Holo | – | €107.85 |
| 039 | Dragonite (Delta Species) | Rare Holo | First Edition Holo, Unlimited Holo | $250.00 | €102.27 |
| 040 | Metagross (Delta Species) | Rare Holo | First Edition Holo, Unlimited Holo | $49.99 | €59.23 |
| 041 | Latias (Delta Species) | Rare Holo | First Edition Holo | $34.99 | €69.38 |
| 042 | Latios (Delta Species) | Rare Holo | First Edition Holo | $49.99 | €52.64 |
| 043 | Rayquaza (Delta Species) | Rare Holo | First Edition Holo | $69.99 | €42.25 |
| 044 | Drowzee | Common | 1st Edition, Unlimited Holo | $29.00 | €14.43 |
| 045 | Hypno | Rare | 1st Edition | from $4.99 | €4.67 |
| 046 | Ditto | Rare | 1st Edition | $19.99 | €55.75 |
| 047 | Ralts | Common | 1st Edition | $5.00 | €3.57 |
| 048 | Kirlia | Common | 1st Edition, Unlimited Holo | $3.00 | €3.23 |
| 049 | Espeon (Delta Species) | Rare Holo | Normal | – | €94.90 |
| 050 | Gardevoir (Delta Species) | Rare Holo | First Edition Holo, Unlimited Holo | $83.11 | €42.93 |
| 051 | Sandshrew | Common | 1st Edition, Unlimited Holo | $11.50 | €11.37 |
| 052 | Cubone | Common | 1st Edition | $7.00 | €8.42 |
| 053 | Ditto | Rare | 1st Edition | – | €66.80 |
| 054 | Makuhita | Common | 1st Edition, Unlimited Holo | $4.61 | €1.95 |
| 055 | Hariyama | Rare | 1st Edition | from $2.99 | €5.22 |
| 056 | Groudon Star | Shiny Rare | Normal | – | €826.55 |
| 057 | Sandslash (Delta Species) | Rare Holo | First Edition Holo, Unlimited Holo | from $54.00 | €15.70 |
| 058 | Marowak (Delta Species) | Rare Holo | First Edition Holo | $99.99 | €8.79 |
| 059 | Meowth | Common | 1st Edition, Unlimited Holo | $14.99 | €4.43 |
| 060 | Persian | Rare | Normal | – | €4.09 |
| 061 | Ditto | Rare | Normal | – | €50.73 |
| 062 | Porygon | Common | 1st Edition, Unlimited Holo | $3.99 | €0.91 |
| 063 | Porygon2 | Rare | 1st Edition | $1.75 | €1.92 |
| 064 | Taillow | Common | 1st Edition, Unlimited Holo | $8.00 | €2.90 |
| 065 | Swellow | Rare | 1st Edition | from $11.99 | €9.03 |
| 066 | Azurill | Uncommon | 1st Edition | $8.44 | €1.27 |
| 067 | Castform | Rare | 1st Edition | from $35.00 | €4.41 |
| 068 | Poochyena | Common | 1st Edition, Unlimited Holo | $5.20 | €2.42 |
| 069 | Umbreon (Delta Species) | Rare Holo | First Edition Holo | $420.00 | €209.53 |
| 070 | Mightyena (Delta Species) | Rare Holo | First Edition Holo, Unlimited Holo | $22.60 | €39.43 |
| 071 | Holon's Magnemite | Uncommon | 1st Edition, Unlimited Holo | $3.88 | €4.61 |
| 072 | Holon's Magneton | Rare Holo | Normal | – | €21.59 |
| 073 | Eevee (Delta Species) | Uncommon | 1st Edition | $10.00 | €14.27 |
| 074 | Skarmory | Uncommon | 1st Edition, Unlimited Holo | $5.00 | €2.16 |
| 075 | Metagross Star | Shiny Rare | Normal | – | €2,484.33 |
| 076 | Holon Transceiver | Uncommon | Normal | – | €10.03 |
| 077 | Holon Scientist | Uncommon | 1st Edition, Unlimited Holo | $4.99 | €2.90 |
| 078 | Holon Researcher | Uncommon | 1st Edition | from $2.00 | €2.69 |
| 079 | Holon Mentor | Uncommon | Normal | – | €2.48 |
| 080 | Holon Farmer | Uncommon | 1st Edition, Unlimited Holo | from $1.50 | €3.63 |
| 081 | Holon Lass | Uncommon | 1st Edition, Unlimited Holo | $4.00 | €3.92 |
| 082 | Holon Research Tower | Uncommon | 1st Edition, Unlimited Holo | from $2.50 | €3.09 |
| 083 | Holon Ruins | Uncommon | 1st Edition | from $3.00 | €2.45 |
| 084 | Holon Energy GL | Uncommon | 1st Edition | from $4.04 | €6.17 |
| 085 | Holon Energy FF | Uncommon | Unlimited Holo | from $2.00 | €3.37 |
| 086 | Holon Energy WP | Uncommon | Normal | – | €2.53 |
Prices: Near Mint prices from TCGplayer (USD) and Cardmarket (EUR); “from” marks a lowest listing (an asking price, not a market value), on 18 cards. Updated November 12, 2026.
Graded prices from PSA, CGC, BGS, SGC, TAG and ACE, PSA population counts and recent sold listings are in Sparkl Pro.
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