4M KidzLabs Claw Bot Mecho Motorized Kit Build and race a lightweight motorized race car with this kit. Explore basic mechanics alone or with friends and family members. With a variety of parts, build a linkage robot arm system, a gear drive for the motor, and circuits for the batteries. Power the robot with 2 AA batteries. This kit is recommended for ages 5 and up. Challenge your child's imagination with 4M toys and kits. 4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more. 4M offers a wide range of toys and kits to let you build a clock, crochet a placemat, or turn your room into a planetarium--all in the name of making learning fun.