Sell GIFTED EDUCATION Science Educational Toys STEM DIY Wood Electric Floating Ball Student Scientific Experiments Kit best price

1.Type: DIY Electronic Floating Ball Kits 2.Material:Electronic Components, Wood 3.Power: 2 x AA Battery (Not Included.) 4.Size:8.9*6.7*10.4cm 5.WoodHealthy and Eco-friendly materials,edutainment. 6.Extensive children knowledge in Bernoulli effect and air pressure. 7.DIY science kits toy make children's own toy. 8.It Can excite children's curiosity and promote imagination, developing intelligence, exercising the ability of using hands and brain. 9.Parents and children to assemble it together to improve parent-child relationship. 10.It's useful for keeping track of unproductive habits, like play phone and online game for a long time. 11.Healthy and Eco-friendly materials,edutainment. 12.The balls can hang in the air, it's just using the Bernoulie principle, fluid in the Flow of Loss of Persistence, pressure potential of two points on the streamline、 the sum of dynamic energy and potential energy is not maintained, the theory is the Bernoulli principle, which was put forward by the Swiss mathematician Daniel Bennouli in 1738, later generations also called the integral of Euler's gravitational field along the streamline when the flow is constant., the gravitational field non-viscous fluid energy of steady heat-free flow is called Bernoulie theorem. These are known as Bernoulie's petty millet, is one of the basic fluid dynamics of the anneal Package includes: 1 * DIY Science Kits toy 1 * Instructions