Tenergy Odev Geo 2-in-1 Salt Water or Solar Powered DIY Robot (STEM Green Science Building Toy: Assemble, Build, and Power Toy Robot)

*Hands-on Learning Experience: Allow children to interactively build a robot car using clearly labeled parts. It's a great family project and puzzle all in one!
*Easy-to-Build STEM (Science Technology Engineering Math) Kit: No screws or tools are needed to build Geo. Kids can