Materials: Plastic Size: 10cm / 3.90" Color: As shown 1. Safe and environmentally friendly materials, by international children's toy safety standards, giving parents and children peace of mind. 2. Includes a variety of fun science experiments to inspire children's curiosity and hands-on skills, combining fun and educational learning. 3. Detailed illustrated instruction manual with clear and easy-to-understand steps, suitable for both parent-child interaction and independent experimentation. 4. Portable storage design allows for categorized storage of experimental equipment, fostering organizational habits and facilitating repeated use. 5. Suitable for educational purposes, enhancing children's scientific literacy, making it an ideal choice for both school and home use. Includes: Children's Science Experiment Kit Notes: 1. Due to various factors such as monitor brightness and light brightness, the actual color of the product may be slightly different from the picture displayed on the website. 2. Please allow for slight manual measurement bias in the data.