Description: 【Educational Science Kit】: This saltwater-powered car is an ideal tool for young students to explore the basics of chemistry and physics through hands-on experimentation 【Premium Material】: Crafted from quality PP, this DIY science kit ensures durability and reliability for children as they engage in creative learning 【Compact Design】: With dimensions of 120mm in length and 80mm in width, this model is perfectly sized for small hands, making it easy to assemble and play with 【Complete Set Included】: The package comes with everything needed to build the saltwater-powered vehicle, providing a comprehensive educational experience 【Encourages Creativity and Innovation】: Ideal for fostering creativity and innovation, this kit allows children to discover new concepts while having fun building their own small invention Specification: Material: PP Size Chart: L*W: 12cmx8cm/4.72inchx3.15inch Package Includes: 1 Salt Water Powered Vehicle Science Kit Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.