Give your child everything they need to build unlimited creations with the Meccano Junior 150-Piece Free Play Bucket! Kids can snap nuts onto parts to make them lock; and use the bolts to hold pieces together and stay in place as they build. As your child assembles their very own creations, they’ll learn about principles from science, technology and engineering. With the Meccano Junior 150-Piece Free Play Bucket, the building possibilities are endless!