Assemble toy are very helpful for develop kids education. It cultivate kids manipulative ability and brain using. STEM kit is the best gift for kids, no matter what ages. very creative and special gift! Let your kids understand that atmospheric pressure is related to and weather. Features - - Material: Plastic. - Size: 26.00X5.00X5.00cm/10.22X1.97X1.97inch. - No welding, no glue! Don't worry that the assembly of this kit is too difficult. - Great educational toys to strengthen relationships with your kids. It is for a great individual or collaborative group activity in school classrooms, library, home or office. - It offers hours of fun activity that keeps the kids from smartphones and tablets so that they can learn from . - Children’s hand-eye coordination and manipulative ability can be effectively improved by their logical thinking skills, problem solving skills, teamwork skills, creativity and imagination skills. - Enriching learning scientific principles, whether it's with their classmates or during family bonding time. Package list: 1 x set of DIY assembly toy