Thunder over the ocean with the Hydroplane Racer! Smash water speed records with this amazing, aerodynamic 2-in-1 model, featuring massive sponsons, large cockpit and a blue and white color scheme with sporty black-and-white checkered racing stickers. Maneuver this powerful machine to the starting line and see the propeller and engine pistons spring into action. Now get ready to race! When you feel like another building challenge, rebuild it into a high-speed Race Boat. Interactive, 3D Digital LEGO® Building Instructions app available online, for both models! Features a unique aerodynamic design with huge sponsons, large cockpit, detailed engine with moving pistons and a spinning propeller. Check out the blue and white color scheme with sporty black-and-white checkered racing stickers. Maneuver the Hydroplane Racer and see the engine and propeller spring to life. This LEGO Technic model is designed to provide an immersive and rewarding building experience. Appropriate for children aged 8 to 14. Interactive, 3D Digital LEGO Building Instructions app available online for both A and B models. 2-in-1 model: rebuilds into a Race Boat. Hydroplane Racer measures over 2” (6cm) high, 9” (23cm) long and 5” (13cm) wide. Race Boat measures over 2” (6cm) high, 8” (21cm) long and 3” (10cm) wide.