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☀【12-in-1 Solar Robot Kits】: Build 12 different types of robots by 190-Piece Kit. This science kit comes with all the parts you need to build a real working robot from scratch, from pistons and shafts to gears, tires, and more. Great robot toys encourage your child to learn through play. We recommend that parents and children create the first solar robot together, which will make a lot of sense.