1. Represents STEM (Science, Technology, Engineering, Math) principles – open-ended toys to construct, engineer, explore, and experiment. 2. Improve children's hands-on ability and spirit of exploration, and suitable for school and family teaching. 3. Each one comes with an informative Study Guide; children will learn much scientific knowledge by playing with our science product. 4. All the science kits are safe for children; our product is tested by ASTM, EN71, EN62115 EN60825, 7P, HR4040.
