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WATCH IT GROW! THE KIDS WILL LOVE THIS EASY TO DO PLACE THE MOUSE IN COLD WATER IT WILL GROW AND GROW GROWS UP TO 600% OF ORIGINAL SIZE! GROWS UP TO ABOUT 4 FEET LONG MOUSE STARTS OUT AT ABOUT 5 INCHES LONG (not including the tail) BRAND NEW IN THE PACKAGE GREAT FOR KIDS AND ADULTS A FUN SCIENCE PROJECT GROWING INSTRUCTIONS INCLUDED ON THE PACKAGE
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🇺🇸 Ship from USA · On Agora since 2026
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