Did you remembering playing with Gro-Thundercats when you were a kid? They were the tiny toys that grew to 200 times their size when they were dropped in water. You can recapture memories of these cool toys by owning a unique piece of toy history, a rare Thundercats Lion-O “Gro-Thundercats” Prototype rrom the archives of Toy Designer Rich Roland.
Here is what you played with…
Here is the highly detailed prototype…
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