This is a fun toy that you get to assemble yourself. Easy enough for a child of 7 and up, it will allow them to understand about circuits and the very basics of how robots move. This construction science toy comes with a motor and batteries. Everything you need except for the screwdriver will be in the box. we do sell packs of screw drivers that will do the job. Included is an instruction sheet and a Science Crazy Fun Fact sheet with everything you need to know about the science of the Jitter bug.