Description: 【Science Experiment Kit】:DIY Building Toys designed to introduce students to fundamental principles of physics through building a functional Handcrafted Ball Launcher 【Material】: Crafted from wood with smooth edges for secure assembly, ensuring a satisfying building experience and long term finished product 【Education Toys】:Understand scientific principles through the model, learning scientific knowledge and improving learning ability, cultivate children practical ability and knowledge 【Early Learning】:Ideal for sparking interest in science and engineering through practical experimentation, promoting creativity and problem solving skills 【Gift】:The Science kit is suitable for kids ages 6-12, suitable for Birthdays and festivals Specification: Material: Wood     Size Chart: 16cmx10cmx10cm/6.30inchx3.94inchx3.94inch Package Includes: 1 Science Experiment Kit Note: 1.This is not infant toy, please take away from children to avoid eating. 2.Please allow slightly errors due to manual measurement and different monitors.