4M - Salt-Powered Robot

The Play Room Verified independent store

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Put this mini robot by 4M together, then add salty water to the specially designed battery cartridges to make it move! This is a fun, simple way to learn about alternative energy w hile encouraging children to get hands on with science. The assembled robot is 10cm tall, and its head and arms do not move. This set includes a chassis, a pivot, bent arms, a battery holder, a battery base, a battery lid, a motor with wires and contacts, a plain axle and wheels, an axle with a gear and wheels, 2 screws, a dropper, 2 aluminum sheets, 2 fabric sheets, 2 carbon sheets and detailed instructions. Please note that this set requires but does not include a screwdriver and salt water. 8 Years + Show more