材质：TPE、K-树脂。尺寸：17cm。比较一下，不同的水管喷出的水有什么不同？探索观察水的性质，比较水的流动区别，实践水与色彩的混合，培养幼儿探索精神。
It has never been more fun to explore the properties of water, compare water flow or even practice color mixing! As kids squirt water through the wacky, see-inside tubes, they make predictions & observations—and learn to think like scientists! 4 plastic droppers are 6 3/4"; comes with a guide.
