Pokémon TCG · Gym

Rocket's Secret Experiment

Name: Rocket's Secret Experiment - Gym Challenge #120
Brand: Pokémon TCG

Gym Challenge · #120 · Uncommon

Illustrated by Ken Sugimori

Market price, 1st Edition $23.90 As of Oct 20, 2026 Worth a bit

A little. It runs about $23.90 raw, more than bulk but not a grail.

Lowest listing: $5.01 on Oct 20, 2026, any condition
Unlimited: $4.12 market price, lowest listing $2.80 on Oct 20, 2026

This market price has barely changed across the days we saved. It only updates when a copy sells, so it may rest on few recent sales.

Every saved price

Date	Market price
May 30, 2026	$4.66
Jun 2, 2026	$4.66
Jun 5, 2026	$4.66
Jun 8, 2026	$4.68
Jun 11, 2026	$4.68
Jun 14, 2026	$9.66
Jun 17, 2026	$9.66
Jun 20, 2026	$9.66
Jun 23, 2026	$9.66
Jun 26, 2026	$9.66
Jun 29, 2026	$9.66
Jul 2, 2026	$9.66
Jul 5, 2026	$9.66
Jul 8, 2026	$9.66
Jul 11, 2026	$9.66
Jul 13, 2026	$9.66
Oct 20, 2026	$23.90

#39 by market price in Gym Challenge on Oct 20, 2026 Ungraded. The market price is an average of recent online sales. We do not know how many sales it is based on. How card values work →

Supertype: Trainer
Set: Gym Challenge
Series: Gym
Released: 2000/10/16
Card number: 120