All Aboard the fastest train under the sun! OWI is proud to introduce their Solar Bullet Train mini solar kit. This kit entices students and train enthusiasts alike to learn about the environmental benefits of renewable energy. Two interlocking cars attach to the engine; allowing young builders to focus on self-motivation; perseverance and manipulation. The Solar Bullet Train is an excellent beginner building kit designed to teach how solar power is used to drive a small motor. Its 18 parts snap together and are secured with only four screws. Train enthusiasts of all ages will enjoy building this amazingly fast eco-friendly train and watch it travel without rails.