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This robot kit from Japan lets you build your own ball shaped robot that can pull off all sorts of wild and crazy moves as it gyrates around your floor.

While the Tornader robot from Elekit can drive slowly around the floor like most remote-controlled vehicles, the real fun starts when you set the Tornader…

This electronic kit from Japan looks like a traditional music box from the outside, but when you open up the cover, it reveals an array of electronics that play music read from specially encoded music sheets.

Elekit’s OTOKIBAKO plays music data from strips of paper with black and white bars on them. You can generate…