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In this activity, learners create an origami model of DNA, demonstrating its double helix structure.

In this activity, learners explore sound by constructing tube zithers, stringed instruments from Southeast Asia and the South Pacific.

In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.

In this physics activity, learners build a toy with a figure that spins around like a gymnast on the high bar.

In this activity, learners create 3D geometric shapes using straws and pipe cleaners.

In this archaeology meets art activity, learners make a mosaic and consider the ways in which art communicates.

In this activity, learners use a nail and magnet wire to build an electromagnet, which controls the movements of a paper dancer.

This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.

In this activity (page 95 of the PDF), learners create Escher Staircase models similar to those that were used by Neurolab's Spatial Orientation Team to investigate the processing of information about

This activity introduces learners to the structure and properties of carbon nanotubes.

In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.

In this activity, learners build a musical drum using a cardboard tube, plastic wrap, and beads.

In this activity, learners build unique yo-yos, which spin round and round without moving up and down.

In this activity, learners cut, fold, and paste paper representing biomolecules to create a three-dimensional cell membrane with embedded proteins.

In this activity, learners transform everyday milk into small plastic figurines and jewelry. Use this activity to introduce learners to monomers and polymers.

Build your own Mini Mini Golf Course and learn about hands-on building and design, basic circuitry, motion modules and more!

In this craft-based activity, learners make DNA sequence bracelets that carry the code of an organism such as a human, trout, chimpanzee or butterfly.

In this activity, learners make balloon models of disease-causing bacteria.

In this activity, learners explore how engineers have improved roofing designs and materials in order to protect the contents of buildings.