Features: Interactive Learning: This pull out geometry book features thick white cardstock construction with engaging pull tab mechanisms that make abstract math concepts tangible. Cognitive Development Tool: Designed for students to build foundational logics skills through hands on exploration of 3D shapes, enhancing space reasoning important for STEM learning. Sensory Engagement: The pull tab systems encourages active participation, reinforcing geometric knowledge through tactiles interaction and visual demonstration for better retention. Educational Resource: Developed with pedagogical expertise, this book systematically introduces polyhedrons, cylinders, and cones via child friendly illustrations and age appropriate content. Safe Design: Made with safe materials and friendly printing, this educational tool easily fits in school bags for learning adventures and creative geometry exploration. Specifications: Materials: Thick White Cardboard Color: As The Picture Shows Weight: approx.120g Size: approx.17.2x25.5cm/6.77x10.03in Package Includes: 1 Book Geometry Book note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!