Trainer card featuring a character holding a test tube against a dark background.

Rocket's Secret Experiment [1st Edition] #120 — Pokémon Gym Challenge Card Value

Pokémon Gym Challenge

What the Rocket's Secret Experiment [1st Edition] #120 card from Pokémon Gym Challenge is worth — ungraded and graded (PSA 10).

Rocket's Secret Experiment [1st Edition] #120 value — Ungraded $7 · Grade 9 $46 · PSA 10 $106. Prices updated July 2026.

Set · Pokémon Gym ChallengeGame · Pokémon
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Value by grade
$7
Ungraded
6.6×
$46
Grade 9
15.1×
$106
PSA 10

Real sold prices per grade — the PSA 10 premium on this card is 15.1× raw.

Complete-in-box price history

Monthly CIB value, based on sold comps.

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Which version do you have?

If your goal is simply to own Rocket's Secret Experiment #120, purchase the Standard version for only $4. The 1st Edition, priced at $7, offers a slight premium, usually indicating earlier print runs or potentially better packaging, though scarcity is not explicitly defined here. Buyers prioritizing budget should stick to Standard, while those willing to spend the extra three dollars should opt for the 1st Edition for the minor collectible advantage.

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Item details

Brand
Pokémon
Set
Pokémon Gym Challenge
Game
Pokémon

Rocket's Secret Experiment [1st Edition] #120 (Pokémon Gym Challenge) card value

An ungraded Rocket's Secret Experiment [1st Edition] #120 from Pokémon Gym Challenge averages around $7. A Grade 9 copy runs about $46, and a PSA 10 gem-mint commands $106.

What drives the price

Centering, corners, edges, and surface decide a card's grade — and the grade decides the price. The jump from raw to PSA 10 can be 5–20×, so condition is everything. Holos, first editions, and shadowless prints carry the biggest premiums.

Price guide

Sold values by grade vs. what sellers ask today

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ConditionValueBased on
Ungraded$7eBay sold comps
Grade 9$46eBay sold comps
PSA 10$106eBay sold comps

Frequently asked questions

What is the starting price for this card?
The ungraded version of Rocket's Secret Experiment #120 is listed at $7.
How much is a graded PSA 10 copy worth?
A PSA 10 graded copy of this card is valued at $106.
Which set does this card belong to?
This card is part of the Pokémon Gym Challenge set.

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