Features: Light your child's creativity and scientific curiosity with the Speedboat set, offer fun hands-on learning experience. Crafted from EVA materials, safe and easy to assemble, making it perfect for beginners in science projects. Suitable for children aged 6 and above, this set encourages collaboration between parents and kids, enhancing family bonding through shared activities. Perfect for home based parent child interactions, school science experiments, or technology club activities, providing endless educational fun. This educational toy not only fosters problem solving skills but also introduces basic principles of physics and engineering, making it a valuable addition to any little scientist's collection. Specifications: Component: EVA Size: Approx.195x105x90mm/7.68x4.13x3.54inch Powered by: 2PCS AA Battery(not included) Package Includes: 1 SET Kids Speedboat Making Accessory note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item. 3.Battery is not included.