Rocket's Secret Experiment 1st Edition #120 value & price
Reviewed by Mumbles · Updated 22 Oct 2026Related Rocket's Secret Experiment & chase cards
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Rocket's Secret Experiment is a Uncommon card (#120/132) from the Gym Challenge set, released in 2000, illustrated by Ken Sugimori. A raw copy is worth about $12, rising to $3.4k in PSA 10, 296.0× the ungraded price.
Price history
InteractiveRaw value is $12, up 117% over the past year, with an all-time high of $12 in October 2026.
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Rocket's Secret Experiment price at every grade
Market value at each grade, with how many exist (population). 221 graded, only 34 are PSA 10.
| Grade | Value | Population | PSA / CGC |
|---|---|---|---|
| PSA 10 (Gem Mint) | $4.1k | 34 | 25 / 9 |
| PSA 9 | $45 | 81 | 60 / 21 |
| PSA 8 | $19 | 72 | 39 / 33 |
| PSA 7 | - | 24 | 8 / 16 |
| PSA 6 | $12 | 8 | 4 / 4 |
| PSA 5 | $10 | 2 | 1 / 1 |
| PSA 4 | $9.00 | - | - / - |
| PSA 3 | $8.00 | - | - / - |
| PSA 2 | $7.00 | - | - / - |
| PSA 1 | - | - | - / - |
| Raw / Ungraded | $12 | - | - |
Prices & population from PriceCharting. Value shown is the PSA-grade market price; population is split by grading company (PSA / CGC).
Card details
- Card number
- 120 of 132
- Rarity
- Uncommon
- Illustrator
- Ken Sugimori
- Released
- 2000
Where to pull Rocket's Secret Experiment
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More Gym Challenge chase cards
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Open a pack that holds Rocket's Secret Experiment
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