Detail
Build your own edge detecting robot using a recyclable soda can and this 4M Tin Can Edge Detector Science Kit. Watch it glide across the table without tipping over or going off the edge WHATS INCLUDED Base cover Base with wires Lower can ring Upper can ring Gear top plate Battery cover 2 lower arms 2 upper arms 2 transparent covers Age: 8 years & up Requires 1 empty soda can, small crosshead screwdriver & 1 AAA battery (not included) Imported Model no. 4939 Size: One Size. Color: Multicolor. Gender: unisex. Age Group: kids.