Rocket's Secret Experiment 120 / 132 Pokemon Card from Gym Challenge Set

About the Rocket's Secret Experiment Trainer Card

Rocket's Secret Experiment is a Trainer card from the Gym Challenge set, part of the Gym series. It carries the collector number 120/132 and is classified as Uncommon. The Gym Challenge set was released on October 16, 2000.

Rocket's Secret Experiment Trainer Card Details

Card name: Rocket's Secret Experiment

Card number: 120/132

Set: Gym Challenge

Series: Gym

Rarity: Uncommon

Card type: Trainer

Artist: Ken Sugimori

Release date: October 16, 2000

Why Collect the Rocket's Secret Experiment Trainer Card?

Rocket's Secret Experiment is most often collected as part of a complete Gym Challenge set rather than as a standalone chase card.

Across the hobby, collectibility generally comes down to rarity, condition, artwork, and overall demand for the set.

Artwork and Illustration of the Rocket's Secret Experiment Trainer Card

Rocket's Secret Experiment was illustrated by Ken Sugimori.

Artwork is one of the factors collectors weigh when deciding which copies to keep or send for grading.

Market Price and Value of the Rocket's Secret Experiment Trainer Card

The current aggregated market price for Rocket's Secret Experiment is about $9.66. Recent listings range from roughly $4.35 (low) to $96.95 (high), with a mid-point near $53.70. These figures are aggregated from marketplace data and change over time; the live price and full price history are shown above on this page.

For context, the Gym Challenge set has a median card value near $7.84 and an average near $43.76, so this card sits below the typical card in the set. The aggregated price has moved -44% over the last 7 days and -43% over 30 days.

Pokémon cards are best collected for enjoyment first. Where value matters, it is typically driven by graded population, the popularity of the Gym Challenge set, the availability of sealed product, and broader Pokémon TCG market trends.

Grading the Rocket's Secret Experiment Trainer Card

Whether Rocket's Secret Experiment is worth grading comes down to condition. Before submitting a card, collectors usually check front and back centring, corner sharpness, edge wear, surface defects, and any print lines or factory imperfections.

Across the hobby, top grades such as PSA 10, BGS/Beckett 9.5–10, and CGC Pristine 10 generally command a premium over raw or lower-graded copies.

PSA has graded 157 copies of this card, of which 27 earned a PSA 10 — a gem rate of about 17.2%. These population figures were last refreshed on June 15, 2026. Population counts only rise as more copies are submitted, so the gem rate and totals shift over time; nothing here is estimated or back-filled.

How Rare Is the Rocket's Secret Experiment Trainer Card?

As an Uncommon card, Rocket's Secret Experiment sits just above commons in print frequency and appears regularly in booster packs.

Population data is one concrete measure of scarcity: PSA has graded 157 copies to date.

Final Thoughts on the Rocket's Secret Experiment Trainer Card

The Rocket's Secret Experiment trainer card is a Uncommon card from the Gym Challenge set (Gym series). It is a straightforward addition for collectors completing the Gym Challenge set. Its current aggregated market price is about $9.66; the live figure and full price history appear above on this page.

Frequently asked questions