This Madenburg hemisphere experiment learning kit is the fun educational kids and teenage who like STEM and science projects, can well develop kids learning skills and hand-on ability. The Madenburg hemisphere assemble kit can kids curiosity and creativity, well learn simple principles. Features - - Material: Plastic. - Size: 26.00X5.00X5.00cm/10.22X1.97X1.97inch. - Make learning more fun, learn atmospheric pressure principle and forming cause. Stimulate kid’s curiosity and creativity. - Let your child happy to grow up in the games and of playing. It will bring of joy and surprises to them. - After the child's efforts to assemble the completed project, it is also a that can bring more fun to the child! science DIY kits teach scientific principles in a fun, hands-on way that is both entertaining and educational. - Unique STEM and Arts Toys for 7-14 year old teens. Suitable for birthdays, holidays, Christmas children. Package list: 1 x set of DIY assembly toy