Cards › Gym Challenge › #120
Rocket's Secret Experiment - Gym Challenge (#120)
- Number
- 120
- Illustrator
- Ken Sugimori
Rocket's Secret Experiment - Gym Challenge
Rocket's Secret Experiment is a Uncommon Trainer card from the Gym Challenge Pokémon TCG set, released 2000, illustrated by Ken Sugimori. It sits at card number 120 in the Gym Challenge checklist.
In collector terms, this is an uncommon card. Current TCGplayer market price tops out at $4.68 across 2 printed variants (Normal, Holofoil, Reverse Holo, etc.), with every variant's low / mid / high and direct prices listed below.
CIV 41Average
Strong era strength. Weak market heat.
30 / 90 / 365-day price momentum.
Cultural recognition + iconic-set bonus.
Release-window weight.
Prices USD 2 days ago · 2026-06-09 08:06 UTC
Where to buy on eBay live marketplace
Live listings load on-demand for cards above $5 market price. For this card, search eBay directly:
Search eBay manually →Market price history
Sale History 61 sales · since 2021-04-01
| Date | Grade | Price | Lot |
|---|---|---|---|
| RAW | $6.87 | ||
| RAW | $6.49 | ||
| RAW | $6.49 | ||
| RAW | $5.04 | ||
| RAW | $4.68 | ||
| RAW | $6.23 | ||
| RAW | $5.36 | ||
| RAW | $5.65 | ||
| RAW | $6.99 | ||
| RAW | $7.62 | ||
| RAW | $7.99 | ||
| RAW | $10.02 | ||
| RAW | $6.50 | ||
| RAW | $7.00 | ||
| RAW | $6.44 | ||
| RAW | $7.33 | ||
| RAW | $5.99 | ||
| RAW | $5.93 | ||
| RAW | $5.99 | ||
| RAW | $5.99 | ||
| RAW | $6.05 | ||
| RAW | $6.50 | ||
| RAW | $6.70 | ||
| RAW | $6.40 | ||
| RAW | $5.48 | ||
| RAW | $5.47 | ||
| RAW | $9.86 | ||
| RAW | $8.43 | ||
| RAW | $6.98 | ||
| RAW | $5.61 | ||
| RAW | $5.51 | ||
| RAW | $5.79 | ||
| RAW | $4.95 | ||
| RAW | $6.99 | ||
| RAW | $6.29 | ||
| RAW | $5.41 | ||
| RAW | $3.00 | ||
| RAW | $4.00 | ||
| RAW | $4.00 | ||
| RAW | $4.99 | ||
| RAW | $4.38 | ||
| RAW | $5.56 | ||
| RAW | $6.60 | ||
| RAW | $6.95 | ||
| RAW | $6.87 | ||
| RAW | $8.27 | ||
| RAW | $8.63 | ||
| RAW | $7.95 | ||
| RAW | $7.52 | ||
| RAW | $9.04 | ||
| RAW | $7.81 | ||
| RAW | $7.81 | ||
| RAW | $6.97 | ||
| RAW | $6.39 | ||
| RAW | $6.50 | ||
| RAW | $6.97 | ||
| RAW | $6.97 | ||
| RAW | $5.50 | ||
| RAW | $5.50 | ||
| RAW | $5.50 | ||
| RAW | $7.10 |
Rocket's Secret Experiment FAQ
Click any question to expand. Every answer pulls from this card's live Catchinary data.
How much is Rocket's Secret Experiment from Gym Challenge worth?
Recent recorded market price is $4.68 (latest tracked snapshot 2026-06-10) across 2 variants. See the variant breakdown above for per-variant low / mid / high / market spread and the market price history chart for the long-term arc. Graded estimates (PSA 10, PSA 9, CGC Perfect) are shown when auction data is available.
How rare is Rocket's Secret Experiment?
This printing is an uncommon card (the card is labeled "Uncommon" on the checklist). This is the only printing of Rocket's Secret Experiment currently indexed.
Who illustrated Rocket's Secret Experiment?
Ken Sugimori illustrated this card. See Ken Sugimori's full Catchinary page for every Pokémon card they've drawn, grouped by set with current market prices, career stats, and alt-art highlights.
When was Rocket's Secret Experiment released?
The Gym Challenge set released in 2000, so this card (#120 in the set) has been available since then. Its current and historical market price is tracked above.
Where can I buy Rocket's Secret Experiment?
The "Where to buy on eBay" panel above shows live listings. For long-term holds, consider graded copies (PSA / CGC) which trade separately and usually at a premium over raw.
Is this card in Standard format?
Legal formats rotate as new sets release - see the Gym Challenge set page for current Standard / Expanded / Unlimited status. Catchinary tracks 0 cards across every English-language set, so if this one has rotated out there's almost certainly a current-format reprint you can check.