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Explore 3D Puzzles and more!

This is a set of 15 simple puzzles that have students match 3-D shapes with real-world examples. The shapes included are sphere, cube, cone, cylinder, and rectangular prism.These puzzles are easy to prepare! Print them on cardstock, cut out, and laminate them for durability.

$12.24 Ravensburger Eiffel Tower 216 Piece 3D Building Set - http://freebiefresh.com/ravensburger-eiffel-tower-216-piece-3d-review/

Real Möbius Gear Will Melt Your Mind

Real Möbius Gear Will Melt Your Mind: This Möbius gear is absolutely mind-bending, and almost impossible to describe. It’s a toothed gear that only has one side, made by Berkeley robotics student Aaron Hoover using various 3-D printing methods. He was puzzling over an animation of such a gear in action and convinced himself that it could be made in real life. He turned out to be right.

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