The 4M Smart Robot includes everything you need to build a fun and functional robot. When activated the smart robot moves under its own power and changes direction when it encounters an obstacle. No special tools or knowledge required the kit contains detailed instructions and all the necessary parts to let the fun begin. Requires one AA battery not included Recommended for ages 8 years 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. The 4M Smart Robot includes everything you need to build a fun and functional robot. When activated the smart robot moves under its own power and changes direction when it encounters an obstacle. No special tools or knowledge required the kit contains detailed instructions and all the necessary parts to let the fun begin. Requires one AA battery not included Recommended for ages 8 years 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.