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

Learners assemble a hot-air balloon from tissue paper. The heated air (from a heat gun) inside the balloon is less dense than the surrounding air and causes the balloon to float.

In this activity, learners of all ages will roll a ball coated with paint to artistically visualize the motion of the object.

In this twist on a classic design challenge, learners will try to stop a bouncy ball from bouncing as they explore how to control the fall of an object.

In this activity, learners will construct an air cannon as a model for the human ear.

In this activity, learners make a Benham Top to explore visual illusions and optics.

In this activity, learners will exercise their imaginations and artistic skills. Appropriate for all ages, learners will create unique pieces to jumpstart storytelling sessions.

From this How To slide show, you create an Audio Tape Bow that can play distorted audio sounds by running it across a tape head.

In this activity, learners use clear nail polish to create a beautiful iridescent pattern on black paper. Learners discover that a thin film creates iridescent, rainbow colors.

In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.

In this activity learners will be creating art using a traditional Japanese art style.

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

This is a simple activity for learners to create a traditional musical instrument. Pan Pipes have developed all over the world in different cultures, from South America to Greece and China.

Learners make a mobile model of a carbon atom using clay, wire, and pipe cleaners.

Learners will follow a specific process to make their own paper using scrap paper, newspaper, or junk mail.

Learners will explore the chemistry of mucous and its importance to our health by following a process to make their own replica "snot." The activity includes a time and age recommendation, a materials

In this activity, learners use design thinking to design and build their own bridge out of household materials including adhesives and/or connectors.

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 design and build a toy top out of simple, everyday materials and have the option to use the toy as an artistic tool.