RoominateTM rPower is a physical controller that brings girls’ creations to life the use of the Roominate app from their phone or tablet! The small power hub can connect with as much as 8 circuits concurrently so girls can regulate a couple of lights, motors, buzzers, and sensors on their Roominate creations. rPower is compatible with all Roominate kits and may also be incorporated into any Roominate design. With rPower, girls can change how fast or slow a merry-go-round spins, move an elevator up or down, drive a car, turn lights off and on in a house, program lights to blink on a massive Ferris wheel, and so a lot more! Roominate teaches essential STEM skills: hands-on problem solving, spatial and fine motor skills, self-confidence, and creativity. rPower is compatible with all other Roominate products and encourages open-ended play for endless possibilities. Set comes with rPower and 2 cable adapters for compatibility with all Roominate kits. Requires 2 AAA batteries, not included.