With the dynamo racetrack mustang of powerplus junior you’ll make a racetrack of up to 3.8 meters! To make the two cars race on the track you’ll use two dynamo controllers, controlled by yourself, so there are no batteries, power adapter or motor needed!once The cars are on the track and energy is generated with the dynamo controller, the energy will be lead to the cars. not too fast, because then you’ll go off track, but not too slow either or you will lose! The wheels of the cars light up when racing.the package includes two race cars (red and blue), two controllers and a track of 3.8 meters.features- educational toy- recommended age: 10+ years- eco-friendly toys- scale 1:43- powered by dynamo controller- no batteries or power adapter needed- including full multi-language instructionsproduct information- product: powerplus junior mustang - educational dynamo eco racetrack- material: plastic- dimensions racetrack: l 380 cm- weight: 1800 grams- colour: black- packaging: gift packaging- packaging dimensions: l 54.5 x w 35.5 x h 6.5 cm - packaging weight: 2060 grams- brand: powerplus