Description: 【Educational】Through the production process of DIY line hang mechanical balance toys, you can not only learn the scientific knowledge of mechanical balance, experience the fun of science, but also exercise children's brain and hands on ability. 【Occasion】:Kids Physical Science Experiments Toy cultivate children's interests and hobbies.suitable for learning activities, technology projects, scientific experiments, etc. 【Material】:DIY Gravity Floating Building Toy is made of high quality wood material, which will make it look more suspended than other wooden products. 【Multifunctional】:The Diy Technology toy, The upper component is affected by gravity and line tension, and is in a state of force balance and moment balance, thus creating a seemingly "suspended" state. 【Valentine Day Gift for kids】: DIY Assembled Tensegrity model make a great gift for family, friends, or colleagues on holidays or birthdays. Specification: Material: wood Size Chart: 19cmx10cmx16cm/7.48inchx3.94inchx6.30inch block:10cm/3.94inch Package Includes: 1 Tensegrity Structure Science Material kits Note: Please allow slightly errors due to manual measurement and different monitors.