Inspiring Intelligence -- Assemble your very own smart robot using the simple instructions and included pieces of this kit. Once constructed, watch your robot in amazement as it speeds around your house, turning left or right like magic as it bumps into obstacles. Try to discover how it knows where to go. You can even make a maze to test your smart robot and see if it can escape! -- Includes top cover, large axle, metal weight, battery case cover, motor housing with switch and wires and cover, small axle, short screws, terminal caps, motor, and base. Requires one AA battery and a small Phillips-head screw driver you provide. -- Recommended for ages 8+.