Enhance your child's building toys collection with The Learning Journey Gears Replacement pieces Power Box Parts #131 And #105. These multicolor plastic gear pieces are a great addition to any robot-themed building project. They are compatible with other building toy pieces and parts, making them versatile and easy to integrate into your child's toy collection. The packaging is in a box, making it easy to store and organize. Get creative with your child and build endless possibilities with these gear pieces.