Learning Resources Gears! Gears! Gears!®Motorized Wacky Wigglers® is an award-winning activity set that will challenge and grow with your child. This versatile interconnecting gear set is different every time you build to foster imagination and offer ways to experiment with simple mechanics and science; supports STEM by introducing children to sorting grouping counting designing constructing and putting physics into play with spinning gear movement. Great for ages 5+