Learning Resources Gears! Gears! Gears! Motorized Wacky Wigglers Building Set, 130 Pieces Kids develop creativity, imagination and fine motor skills by building glowing creatures Supports STEM by introducing children to sorting, grouping, counting, designing, constructing, and putting physics into play with spinning gear movement This 130-piece motorized set includes colorful gears, springs, chomping teeth, flashing lights, whiskers and glow-in-the-dark eyeballs for endless creative combinations Requires 3 AA batteries, not included Ideal for ages 5+