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with impressive volume and power
the Design & Drill
a pair of plastic-cased bar magnets and activity guide
make the devices easy to stack and wipe clean
Polydron Midi Box S007620 with impressive volume and powerThe Original Polydron Midi Box features 80 pieces of Original and Frameworks Polydron, the original geometric construction system, trusted by educators for decades, helps children explore 2D and 3D geometry, symmetry and spatial reasoning. Construct cubes, tetrahedrons, octahedrons and more! Or even use the Midi Box in creative play sessions. The unique hinge design allows pieces to snap together securely and rotate for easy shape transformations.