1. Material: foam board + plastic2. Applicable age: 3 years old and above3. Safe material, durable and durable, children play more peace of mind4. Improve children hands-on ability and spirit of exploration, suitable for school and home teaching5. Combine toys with scientific principles, make science more simple and interesting, let children fall in love with science6. Training children practical ability, hand-eye coordination, exercise thinking, develop intelligence, inspire creativity, exploration of science7. Size: about 29 x 40cm Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 30cm * 10cm * 1cm / 11.81inch * 3.94inch * 0.39inch Qty…