The 4M Smart Robot includes everything you need to build a fun and functional robot</br>When activated, the smart robot moves under its own power and changes direction when it encounters an obstacle</br>No special tools or knowledge required; the kit contains detailed instructions and all the necessary parts to let the fun begin</br>Requires one AA battery (not included)</br>Recommended for ages 8 years and up</br></br>Product Description</br></br><p>Assemble your own robot with a brain with the 4M Smart Robot kit. 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</p><p><b>From the Manufacturer</b><p>Build a smart robot that changes direction when it encounters an obstacle. It moves like it has a brain. A unique experimental kit that inspires young scientists</p><p><b>Product Features:</b><ul><li>Challenge your child's imagination with 4M toys and kits.</li><li>4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more.</li><li>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.</li></ul></br><br/>http://www.amazon.com/gp/product/B01N65WFW0