Roominate Circuits Accessory Pack Wire up the light and motor circuits to add sparkling lights, spinning windmills, merry-go-rounds, moving elevators, and more! Add new circuits to your Roominate collection! 6 piece set includes string of 4 lights, motor, battery packs, screwdriver, and more Teaches important STEM skills: hands-on problem solving, spatial and fine motor skills, self-confidence, and creativity Compatible with all other Roominate products and encourages open-ended play for endless possibilities