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In this activity, learners watch a figure "magically" float up through the air. Learners use 2 straws, a cup, rubber band, pipe cleaner, and piece of buoyant material to make a simple...

In this activity, learners build a figure that moves and "comes to life" when they pull its string. This engineering activity introduces learners to simple machines, specifically levers,...

In this activity, learners build unique yo-yos, which spin round and round without moving up and down. Learners can construct their yo-yos out of wood using a saw and drill or more simply, out of a...

In this activity, learners construct a traditional handicraft toy that illustrates a motion commonly associated with violins and earthquakes. This motion has a certain frequency and stays at the...

In this up-cycling activity, learners recycle plastic bags and repurpose them into useful wallets. Learners cut and iron grocery bags into new shapes and designs so that they can be reused as...

In this activity, learners explore sound by constructing a simple piano out of wood and craft sticks. Use this activity to demonstrate principles of sound including vibration, pitch, tone,...

In this activity, learners explore force and motion by constructing cardboard cars that are propelled by balloons. Learners can experiment with balloons of various sizes and shapes to change the...

In this activity, learners explore sound by constructing an instrument toy that buzzes when you swing it. Use this activity to examine elements of sound including waves, vibrations, tone, pitch,...