Gym Challenge · #120 · 2000
Market price: The going rate for an ungraded copy of this exact printing, from actual sales data — TCGplayer for USD, Cardmarket for EUR. Updated daily. · Unlimited: The regular print run of an early set — no edition stamp, many more copies. The affordable way to own a vintage print.
$4.11
Steady · 28dvia TCGplayer, updated Oct 12, 2026
Set rank: Where this card's market price ranks among the priced cards in its set — #1 is the set's most valuable card. in Gym Challenge
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Our chart tracks TCGplayer's market price and the asking prices of live eBay listings — what sellers want, not what buyers paid. Completed sale prices live on eBay itself: see recent sold listings for this card →
Today's TCGplayer market price for Rocket's Secret Experiment is $4.11 for the Unlimited printing.
Among the 132 priced cards in Gym Challenge, it sits 61st. The set's top card is Blaine's Charizard at $585. We've logged its price daily since Feb 8, 2024: $2.95 then, $4.11 now (up 39.3%). A year ago it sat around $3.69; today's $4.11 is 11.4% higher. Over the last 90 days it's down 7.4%, from $4.44. Since February 2024 it's run as high as $4.48 (June 2026) and as low as $2.78 (May 2024). Its 30-day range runs from $3.93 up to $4.11. The Unlimited printing is the headline number here; the 1st Edition at $23.29 prices separately.
By Printing
By printing: Unlimited: The regular print run of an early set — no edition stamp, many more copies. The affordable way to own a vintage print. $4.11 · First edition: The very first print run, marked with a small “Edition 1” stamp on the card's left side. Far scarcer than the Unlimited run, and priced on its own. $23.29
TCGplayer prices each printing on its own — the Unlimited printing is the headline number on this page. Same card, same number — the print run or foil treatment is what changes.
About $4.11 for an ungraded copy. That's the TCGplayer market price for the Unlimited printing, updated Oct 12, 2026. Graded copies in great shape usually sell for more. What grading means →
Down about 7% over the last 3 months — from $4.44 to $4.11 (TCGplayer market price). Zoom out a whole year and it's up 11%. Prices move a little every day, so the chart on this page has the freshest line.
The highest market price we've logged is $4.48 — that was June 2026. We've been writing this card's price down since February 2024, so that's the record on our watch, not an all-time record.
eBay is the easiest place — this page links straight to the live listings for Rocket's Secret Experiment (Gym Challenge #120). Check the photos and the seller's rating first. That's the rule.
Cards trading near $4.11 today.
Gym Challenge
