Description: 【Educational Science Kit】: This DIY assembly kit is perfect for middle and elementary school students, offering a hands-on experience in building a smart color recognition sorter. It's an engaging way to introduce young learners to the basics of science and technology 【Material】: Crafted from wood, this kit ensures a sturdy construction that can withstand repeated use. The natural material also provides a safe and eco-friendly option for children 【Compact Size for Easy Handling】: With dimensions of 128x145x205mm, this kit is designed to be compact yet functional, making it easy for students to handle and assemble without taking up too much space 【Complete Set Included】: The package comes with everything needed to build the color recognition sorter, ensuring that you have all the components required for assembly right out of the box 【Ideal for STEM Learning】: This educational tool not only enhances creativity but also promotes critical thinking and problem-solving skills as students learn about color recognition technology through practical application Specification: Material: Wood Size Chart: 12.8cmx14.5cmx20.5cm/5.04inchx5.71inchx8.07inch Package Includes: 1x diy color recognition sorter set 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.