Description: Science Experiment Kits: Science Experiment Kits Building Toy.Children can make a duck by themselves, and the science kits can enhance parent child interactionDurable Material:The physical scientific experiment made high quality Kt board, environmentally friendly, smooth surface, no burrs, strong.Educational Toys: The science toy,understand scientific principles through the assembly and disassembly of parts, learn scientific knowledge, improve learning ability, and cultivate children's practical ability and knowledge.Cultivate Creativity: Children can complete the physics toy step by step according to the instructions, which can cultivate children's learning interest and thirst for knowledge, and improve children's innovative ability and creative thinking.Nice Gift: The science set is suitable as a gift for kids, especially for birthdays and festivals. Specification: Material:KT Size Chart: 9.7cmx6.2cmx10.8cm/3.82inchx2.44inchx4.25inch Package Includes: 1Wooden Assembly Kits Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.