1. Material: wood 2. Applicable age: 6 years old and above 3. Science experiment kit, DIY gravity tension floating construction toys 4. Safe wooden material, environmental protection, smooth surface, no burrs, sturdy and durable 5. Train children practical ability, hand-eye coordination, exercise thinking, develop intelligence, inspire creativity, explore science 6. Through the model to understand the principles of science, learning scientific knowledge, improve learning ability, cultivate children hands-on skills and knowledge 7. Size: about 9.5 x 8.5 x 12.5cm
