Kids loves to stack and connect the chunky components to create colorful robots of all shapes and sizes. Whether you are building four little robots to help defend your intergalactic base, or you build them into one super-bot, there is endless fun to be had! All of the pieces have universal fits so they can mix and match any of the pieces for tons of creative combinations. They are made from sustainable rubberwood, with child-safe stains, and super easy to clean. Removable parts, not for children under age 3.