Propeller Racer: Green Science Construct a propeller-driven race car and watch it blaze a path across any smooth surface. This kit includes a propeller, top cover, battery case, motor, wheels and frame. Detailed assembly instructions included. Requires two AAA batteries (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. Build a propeller racer and watch as it blazes a path over smooth surface Includes: propeller, top cover, battery case, motor, wheels and detailed instructions Fun mechanics kit Requires two AAA batteries-NOT INCLUDED Create a "Green Science" project