Description: 【DIY Craft Model】: This DIY electric air suspension ball blower toy is designed to enhance children's hands on skills and introduce them to the principles of levitating balls, specifically Bernoulli's principle 【Interactive Experience】: The DIY electric elevator model fosters a harmonious family atmosphere by encouraging parent child interaction 【Skill Development】: These DIY toys are for nurturing children's creative thinking, practical skills, scientific knowledge, communication abilities, and cultivating their interests in science and technology 【Quality Material】: Made from sturdy wood, this wooden building kits for kids ensures secure and longevity while providing an authentic crafting experience for young scientists 【Compact Design】: With dimensions of 8cmx7.5cmx9cm/3.15inchx2.95inchx3.54inch, this stem learning tool toy is perfectly sized for small hands to grip Specification: Material:Wood Size Chart: 8cmx7.5cmx9cm/3.15inchx2.95inchx3.54inch Package Includes: 1 Air Suspension Ball DIY Science Experiment 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.