Transparent Walls is card #125 of 132 in Gym Challenge (2000), a Common illustrated by Keiji Kinebuchi. At about $1.24 it is the #131 most valuable card in the set. In a Gym Challenge booster it turns up about once every 6 packs.


















See the full Gym Challenge card list
An ungraded Transparent Walls from Gym Challenge sells for about $1.24. A PSA 10 is worth more, roughly $16.12 by our estimate, and a PSA 9 around $4.96.
It is a Common, and it shows up about once every 6 Gym Challenge packs.
Keiji Kinebuchi drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Gym Challenge booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.