Pull String 3D Geometry Learning Book, Koyoata Teach Volume & Surface Area Formulas, Boutiquefortun with 9/12/15 Solids, Safe Braided Rope Design (9-Model)

Product Description

Introduces geometry in an interesting approach
The distinctive pull-cord design reduces the complexity of summary ideas
This set contains varied geometric solids, equivalent to cubes, cuboids, and cones
Efficiently demonstrates understanding of geometric ideas via hands-on actions
Made with braided twine wrapped round a core for easy operation