Rocket's Secret Experiment
Gym Challenge · #120

Rocket's Secret Experiment

Rocket's Secret Experiment is a Uncommon Pokémon TCG printing from Gym Challenge (#120). Cactaur's latest catalog snapshot shows a TCGPlayer market reference near $4.48 for ungraded copies. The set released in 2000. Scan your copy in the Cactaur app for condition-aware pricing.

Gym Challenge set collectorsPromo and event distribution hunters Unlimited
TCGPlayer market $4.48
Cardmarket trend €7.40
Rarity Uncommon
App coming soon

Who is this card for?

Rocket's Secret Experiment suits collectors working on Gym Challenge who need the Uncommon slot. Verify how the promo was distributed (meal toy, league, box insert) because identical artwork can exist across multiple promo printings.

What is Rocket's Secret Experiment from Gym Challenge?

Rocket's Secret Experiment is a Trainer card in Gym Challenge numbered 120. Rocket's Secret Experiment (#120) is a promo-line printing from Gym Challenge where distribution story and scarcity often explain price as much as gameplay utility. Verify finish, condition, and listing photos before paying above recent market references in the Cactaur catalog.

What is Rocket's Secret Experiment worth today?

Cactaur tracks a TCGPlayer market reference near $4.48 for Rocket's Secret Experiment. Low and high spread runs $3.00 to $48.06. Per-finish references: unlimited: $4.48; 1stEdition: $4.68. Verify finish, condition, and listing photos before paying above recent market references in the Cactaur catalog.

SetGym Challenge
Number120
RarityUncommon
TCGPlayer USD$4.48
Cardmarket EUR€7.40
unlimited $4.48
1stEdition $4.68

How collectible is Rocket's Secret Experiment?

Rocket's Secret Experiment is listed as Uncommon in Gym Challenge. Promo printings often appeal to completionists tracking event or retail exclusives. Verify finish, condition, and listing photos before paying above recent market references in the Cactaur catalog. Verify finish, condition, and listing photos before paying above recent market references in the Cactaur catalog.

What are the key details for Rocket's Secret Experiment?

Catalog fields: set Gym Challenge, rarity Uncommon. Illustrated by Ken Sugimori. Cross-check holo pattern and language when buying online. Verify finish, condition, and listing photos before paying above recent market references in the Cactaur catalog. Verify finish, condition, and listing photos before paying above recent market references in the Cactaur catalog.

Cactaur's take

Rocket's Secret Experiment (#120) is a promo-line printing from Gym Challenge where distribution story and scarcity often explain price as much as gameplay utility.

Pros

  • Rocket's Secret Experiment is catalogued as Uncommon printing in Gym Challenge, making set and number verification straightforward.
  • Public market data shows a TCGPlayer reference near $4.48 across finishes (unlimited: $4.48; 1stEdition: $4.68).
  • Illustrator Ken Sugimori has strong collector followings, which can add art-premium demand beyond play value.

Cons

  • Raw market prices vary by condition, language, and holo variant — NM estimates are not slab grades.

Verdict: Use $4.48 as a benchmark, then adjust for finish, grade, and how quickly you need to buy or sell.

FAQ

How much is Rocket's Secret Experiment worth?

Cactaur's catalog shows a TCGPlayer market reference near $4.48 for ungraded Rocket's Secret Experiment from Gym Challenge. Actual value depends on condition, language, and finish such as holo or reverse holo. Scan your card in the Cactaur app for a tailored estimate.

What set is Rocket's Secret Experiment from?

Rocket's Secret Experiment is listed in Gym Challenge (Gym) as card #120. Always match both name and collector number because many Pokémon share names across sets.

How rare is Rocket's Secret Experiment?

Our catalog lists Rocket's Secret Experiment as Uncommon in Gym Challenge. Rarity guides pull rates but does not alone determine price — chase art, demand, and condition matter.

Is Rocket's Secret Experiment good for collectors or players?

Rocket's Secret Experiment is primarily a collector reference in Gym Challenge. Compare finish and centering if you are buying graded or sealed-collection copies. Verify finish, condition, and listing photos before paying above recent market references in the Cactaur catalog.

What is the difference between holo and reverse holo Rocket's Secret Experiment?

Finish variants of Rocket's Secret Experiment carry separate market listings. unlimited: $4.48; 1stEdition: $4.68 before buying — sellers often mix up reverse holo and non-holo photos.

Related cards

Trust & data sources. Cactaur displays catalog and market data from pokemontcg.io embedded TCGPlayer/Cardmarket references. Prices change frequently and are not guarantees.

Cactaur does not authenticate cards or guarantee values. Scan your copy in the iPhone app for condition-aware guidance.

Catalog snapshot: 2026-06-12. Last updated: 2026-06-10.