Description: DIY pumping water model toy kits, educational physics pressure science experiments toy Exploring pressure, pumping pressure well principle test?for kids know the existence of the atmospheric pressure Compared with torricelli experiment?A scientific method for studying the equivalent substitution of atmospheric pressure with liquid pressure. Develop children's hand & eye coordination, and help children experience the theory of power, expand kids scientific & mechanical interest Novel designed DIY scientific toy gifts for kids Main Material: Plastic Color?Random Color Specification: Need to be assembled by yourself: assemble the model as the pictures shown Size Chart: size (L*W): Approx 25*2.5*12cm / 9.84*0.98*4.72 inch Package Includes: 1 Set Pumping Water Model Toy (with assembled picture instructions) Note: Due to the manual measurement, please allow 1-2mm differences in size Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand
