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In this activity, learners thread gumdrops together to make a model of a polymer.

In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

No glue is needed for learners of any age to become marshmallow architects or engineers.

In this activity, learners use marshmallows and gum drops to construct seven models of molecules. Learners classify (solid, liquid or gas) and draw diagrams of the molecules.

This is a classic exercise for visualizing the scale of the Solar System.

In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.