Gym Challenge · 120/132
Rocket's Secret Experiment
Most sell between $3 and $5.49
See these sales on eBay ↗eBay.com sold listings. eBay may ask you to sign in.
Find one under $3 and you beat 3 in 4 recent sales.
Before you buy
Is that listing a good price?
Type the price you're looking at. We'll set it against what Rocket's Secret Experiment really sold for, version by version.
Most pay $3 to $5.49Under $3 beats 3 in 4 sales; over $5.49, shop around.
On eBay right now
Buy Rocket's Secret Experiment today
Live listings on eBay.com, each set against what its version really sold for.
Listings and prices from eBay.com, in US dollars before shipping. A badge compares a listing's price with what that version sold for; auctions show their bids so far. eBay may pay us a commission when you buy.
Every version, one scale
Rocket's Secret Experiment by version
Each printing and grade sells as its own thing, so each has its own price.
| Version | Price | Most sell for | Based on | On eBay |
|---|---|---|---|---|
| Unlimited, raw | $4.49 | $3 to $5.49 | solid · 27 sales | Shop Unlimited copies on eBay ↗ |
| Unlimited, played copy | $3.82 | $1.95 to $4.89 | good sample · 6 sales | Shop played copies on eBay ↗ |
| 1st Edition, raw | $15 | $4.99 to $23 | solid · 11 sales | Shop 1st Edition on eBay ↗ |
| 1st Edition, played copy | ~$3.99 | too few sales | best guess · few sales | Shop played copies on eBay ↗ |
| Graded 1st Edition PSA 8 | ~$30 | too few sales | best guess · few sales | Shop 1st Edition PSA 8 on eBay ↗ |
Prices are the middle of recent eBay sold listings (eBay.com, US dollars), counted by pickthetcg. Left out: the 2021 Celebrations and 2026 30th Anniversary reprints that carry the same number, other languages, metal and custom cards, lots and sealed product. See these sales on eBay · How we price
Other price guides
What the free feeds say
They price from listings and sales on their own sites and often disagree, with eBay and with each other. Ours, $4.49 for unlimited, raw, is the middle of eBay sales, each printing and grade apart.
- TCGplayer market, 1st Edition
- $24
- TCGplayer market, Unlimited
- $4.11
- Cardmarket trend, one price for the card
- €7.40
TCGplayer as of 15 Oct 2026; Cardmarket as of 16 Jan 2026. Both via pokemontcg.io.
About the card
- Number
- 120/132
- Rarity
- Uncommon
- Type
- Trainer
- Illustrator
- Ken Sugimori
- Released
- 16 October 2000
Card details from the open Pokémon TCG data behind pokemontcg.io.
Questions
How much is a Gym Challenge Rocket's Secret Experiment worth?
An Unlimited Rocket's Secret Experiment, raw, sells for about $4.49, with most sales between $3 and $5.49, from 27 recent eBay sales. Played copies are priced apart.
How much is a 1st Edition Rocket's Secret Experiment worth?
A raw 1st Edition Rocket's Secret Experiment sells for about $15 (11 sales); graded, PSA 8 about $30.
How do I tell if my Rocket's Secret Experiment is 1st Edition?
A 1st Edition card has a small black "Edition 1" stamp on the left, just below the picture. Unlimited copies have no stamp.
What set is Rocket's Secret Experiment from?
Rocket's Secret Experiment is card 120/132 in Gym Challenge, released 16 October 2000: a uncommon illustrated by Ken Sugimori.
More from Gym Challenge
The set's most valuable
Misty's Golduck
$55Unlimited · up to $25,100 1st Edition PSA 10
Blaine's Arcanine
$75Unlimited · up to $13,000 1st Edition PSA 10
Rocket's Mewtwo
$200Unlimited · up to $11,875 1st Edition PSA 10
Sabrina's Gengar
$150Unlimited · up to $11,000 1st Edition PSA 10
Lt. Surge's Raichu
$53Unlimited · up to $7,500 1st Edition PSA 10
Misty's Gyarados
$100Unlimited · up to $6,629 1st Edition PSA 10