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In this activity, learners build a paper stellated rhombic dodecahedron, a three-dimensional 12-pointed star.

In this activity, learners repeat patterns in two and three dimensions to create tessellations.

In this activity, learners design unique tiles and make repeating patterns to create tessellations. This activity combines the creativity of an art project with the challenge of solving a puzzle.

In this activity, learners explore electronics and motion by making a Scribbling Machine, a motorized contraption that moves in unusual ways and leaves a mark to trace its path.

This activity shows you how to make amazing crystal spikes using Epsom salt and the sun.

In this activity, learners stain fabrics--on purpose!

Cardboard Automata are a playful way to explore simple machine elements while creating a mechanical sculpture.