Montessori Math Geometry Design: Montessori early math system, intuitively demonstrate Pythagorean theorem & algebraic formula a² + b² = c². Let children understand geometric square relationship, mathematical operation logic through hands-on splicing, turn abstract complex formulas into tangible visual games High-Grade Safe Solid Wood Material: Made of premium natural beech wood, fine polished smooth edges & corners, no burrs, non-toxic environmentally friendly color paint, firm and wear-resistant, no sharp parts, fully protect children's delicate hands, safe for long-term repeated grasping and splicing play Visual Formula Cognition & Logic Training: Through matching, splicing and combination of square tiles, kids can visually perceive the derivation process of Pythagorean theorem, exercise spatial imagination, mathematical logical thinking, observation ability and hand-eye coordination Dedicated Wooden Storage Frame: Equipped with customized solid wood fixed storage tray, all blocks have accurate matching slots, easy to sort, store and organize, keep classroom & home teaching supplies tidy Widely Applicable Early Education Teaching Toy: Perfect for Montessori kindergarten classrooms, family math enlightenment, preschool special education math centers. Ideal holiday & birthday gift, greatly improve children's mathematical sensitivity and abstract thinking ability