Do you want creative DIY educational toy for your kids? This hydro generator model will be your . This product is DIY hydro generator assembly model for children and students which can assembly by themselves. It is excellent to develop their practical ability and thinking ability. Features - - Material: environmental protection material. - Size: 17.00X11.00X3.50 cm/6.68X4.32X1.38 inch. - Made of high grade material which is durable, no easy deformation, funny and wonderful. - Manual assembly model, greatly exercising kids' varieties of abilities, stimulate children's interest in learning and curiosity. - It is easy to assemble, with disassembly and assembly, improve children's hands-on ability. - Also, funny and teaching hydro generator DIY model, bringing you fantastic experience and fun. - The good and creative gift for kids and students, children will be happy for that and love it. Package list: 4 Sets Educational DIY Toys