SunFounder Pig Bionic DIY Robot Kit for Kids The robotics kit is an stem toy designed for kids to learn the knowledge of bricks, structure and circuit by building a cute pig robot. The walking robot kit utilizes one DC motor to drive connecting rod structure then command the pig to run. There is a power switch easy for children to control. Easy for kids to build a bionic robot pig with the included detailed instructions. It improves kids hands-on ability with zero experience or special tools required. It is an educational toythe DIY Electronic Kit recommended for boys and girls ages 4 years and up. Perfect science gift for your child on birthday, Christmas, Childrens day and so on. Your little one will have fun and learn at the same time.