Description: 【Educational Exploration】: This saltwater powered car is an ideal tool for young students to find fundamental concepts and physics through hands on experimentation 【Sturdy Design】: Crafted from quality pp, this DIY science kit ensures durability and reliability, allowing children to engage in creative learning safely 【Comprehensive Learning】: The Scientific Experiment Toy kit includes a detailed instruction manual that enhances hands on skills and deepens understanding of chemical principles through the assembly of the saltwater powered car 【Fosters Creativity and Innovation】: Great for nurturing creativity and innovation, this DIY kit allows children to enjoy the fun of building their own inventions while discovering new scientific concepts 【Complete Kit Contents】: The package includes a set of the saltwater powered car science kit along with an instruction manual, with a product dimension of 12cm in length Specification: Material: PP Size Chart: lenght: 12cm/4.72inch Package Includes: 1 Salt Water Power Car Science Toy Kit(Random Color) 1 Manual 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.