4M Green Science Salt Water Robot

Treasure Island Toys Verified independent store

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Build a racer that is powered by salt and water only! Includes 2 complete charcoal battery kits (each kit will power the robot for 60 minutes playtime). Racer measures 7.6 x 5.7 x 5 cm (3 x 2.25 x 2 inches). 8+ years. Show more