DIY Assembly Learning Kit: This children's science kit is made of safe and non-toxic materials, and children and adults can use it with confidence Easy To Assemble: This scientific toy can be tightly connected without welding, easy to install, suitable for children or adults who love manual craftsmanship and science Home & School Education Toolkit: children can use it at home or in the classroom, conduct challenging scientific experiments with their friends or classmates, understand the principles of learning science in the game, and deepen the impression of learning Science Education Kit: This children's science experiment tool is safe and environmentally friendly. It can stimulate children's interest in science experiments, cultivate children's concentration and practical ability, and exercise children's observation ability Box Size: 14x8.5x3.5cm