Using this DX Transformable Smart Phone is easy. First, you can use it as a normal smart phone. When you want to transform it into a bike, follow the simple transformation steps. The Bottle Change Rider series figures can be placed on the bike for some fun play. In Bike Mode, you can enjoy the sounds it makes. Keep in mind that when storing a Full Bottle in the bike, make sure it's placed properly. To maintain this product, keep it clean and dry. Avoid dropping it or exposing it to extreme temperatures. If there are any issues, check the connections and make sure everything is in place.