The future of geomagnetic game Create your own Moon Lander using motors and tracks. Start your engines and you're done This product requires 6 x AAA batteries (not included). The set includes 31 pieces: 6 x square 2 x triangles 2 x pressure motors 2 x tube track connectors 4 x short arms 4 x long arms 3 x square panels 4 x track wheels and 2 tracks 1 x transmitter 1 x receiver Suitable for ages 5 and over.