Enter the water speed championships with the Hydroplane Racer advanced vehicle set, featuring a unique aerodynamic design with large sponsons, large cockpit and a blue and white color scheme with black - and - white checkered racing stickers This robust 2 - in - 1 LEgOTechnic model also features moving engine pistons and a spinning propeller, and can be rebuilt to create a Race Boat for a double build - and - play experience Digital 3D building instructions for both models are available online