| Set | Gym Challenge |
| Card number | 120 |
| Rarity | Uncommon |
| Type | Trainer |
| HP | 0 |
| Artist | Ken Sugimori |
| Released | Oct 2000 |
Rocket's Secret Experiment #120 Value (Gym Challenge)
Pokemon card price guide: raw and graded values, eBay sold prices and price history. Updated Sep 17, 2026.
Rocket's Secret Experiment is an Uncommon card from the Gym Challenge set, illustrated by Ken Sugimori. It depicts one of Team Rocket's mysterious lab creations, tying into the set's villainous theme. Uncommon cards from this era are generally easier to find than their Trainer or Rare counterparts. This card is often viewed as an accessible piece of early Pokemon history rather than a chase card.
Current prices
| Source | Price |
|---|---|
| TCGplayer market price (USD) | $3.44 |
| Cardmarket lowest near mint (EUR) | €5.50 |
| Cardmarket 7-day average (EUR) | €6.97 |
| Cardmarket 30-day average (EUR) | €6.83 |
| Cardmarket listings available | 80 |
Buy / compare: TCGplayer · eBay · eBay sold · Cardmarket
Scan this card with the identify pokemon cards app to track its value in your collection.
Graded card values (PSA, CGC, BGS)
| Grading | Grade | Median sold | Sales |
|---|---|---|---|
| PSA | 9 | $44.00 | 4 |
Graded values are medians of real eBay sold listings.
Rocket's Secret Experiment price history
| Month | Avg Cardmarket low | Avg TCGplayer market |
|---|---|---|
| Sep 2026 | €5.50 | $3.52 |
| Aug 2026 | €5.50 | $3.57 |
| Jul 2026 | €5.50 | $3.61 |
| Mar 2026 | €6.00 | - |
| Dec 2025 | €5.50 | - |
| Nov 2024 | €3.90 | - |
Frequently asked questions
How much is Rocket's Secret Experiment #120 worth?
How much is Rocket's Secret Experiment #120 worth? As of Sep 17, 2026, a raw near mint copy is worth about $3.44, the Cardmarket low is €5.50. Prices update daily from Cardmarket, TCGplayer and eBay sold listings.
What is Rocket's Secret Experiment #120 worth?
How much is Rocket's Secret Experiment #120 worth? As of Sep 17, 2026, a raw near mint copy is worth about $3.44, the Cardmarket low is €5.50. Prices update daily from Cardmarket, TCGplayer and eBay sold listings.
How can I identify Rocket's Secret Experiment #120 with my phone?
Download the free TCGApp.io app (Card Value Scanner) on iPhone, point the camera at the card, and it matches Rocket's Secret Experiment #120 from Gym Challenge in seconds, then shows live prices, PSA graded values and eBay sold comps.
How do I track the value of Rocket's Secret Experiment #120 in a collection?
Add Rocket's Secret Experiment #120 to your collection in the TCGApp.io app to see portfolio value, profit and loss, price history and alerts when the card moves. You can also export CSV/JSON and add a Home Screen widget.
Is Rocket's Secret Experiment rare?
No, it is classified as Uncommon, which places it below Rare and Holo Rare cards in the Gym Challenge set. Uncommon cards were printed in higher quantities than Rares.
Why is this card called 'Rocket's Secret Experiment'?
The name reflects the card's illustration and theme, showing a creature linked to Team Rocket's lab activities. Gym Challenge featured several cards built around this villain storyline.
How can I check current pricing for this card?
You can scan the card using the Card Value Scanner iPhone app to view live price data pulled from active listings. This offers a quick way to compare condition-based estimates without manual searching.
Most valuable cards in Gym Challenge
Gym Challenge card list · All Pokemon sets · Most valuable Pokemon cards
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