Online Price: $2.99 Your Price: $2.99

This simple yet effective activity provides a practical method for teaching students how to find and label the magnetic poles on a magnet, identify magnetic materials, understand the difference between geographic and magnetic poles.

Online Price: $2.99 Your Price: $2.99

Use colored string and simple cardboard shapes to create artistic designs based on intriguing mathematical patterns. Every pattern has infinite possibilities! String art is fun for all ages - to fix a mistake or try a new approach, just unwind the string!

Online Price: $3.99 Your Price: $3.99

The floating compass is a useful tool for detecting the magnetic fields of magnets and of the Earth. Make a simple compass with a magnetized needle demonstrates the properties of magnetic materials and shows that magnets have north and south poles. Using the floating compass provides a visual example of how like poles repel each other.

Online Price: $3.99 Your Price: $3.99

Be amazed at this clever way to demonstrate the transfer between potential energy and kinetic energy.

Online Price: $3.99 Your Price: $3.99

Use alka-seltzer to create a reaction that builds up pressure in a film canister. Have a blast with this gas-powered flyer.

Online Price: $3.99 Your Price: $3.99

Enjoy the hands-on experience of building and using the Roller Racer. Explore the application of simple machines and energy conversion and investigate how changes in stored energy can affect performance.

Online Price: $3.99 Your Price: $3.99

Hypothesize, experiment, collect data and analyze forces and motion with a straw “rocket” and an easily made launcher. The stronger the force, the farther and higher the rocket flies!

Online Price: $4.99 Your Price: $4.99

Provide students with opportunities to create a basic circuit, build a portable version, and explore parallel and series circuits!

Online Price: $4.99 Your Price: $4.99

Create a model car consisting of a simple chassis and a straw-based axle system (simple machine) that teach students about motion along inclined planes, friction,
gravity, momentum, and potential vs. kinetic energy.

Online Price: $4.99 Your Price: $4.99

Go "shopping" using checks to pay for products and learn techniques to accurately keep track of checkbook balances.

Online Price: $4.99 Your Price: $4.99

A visit to a country’s “bank” gives travelers on vacation a chance to exchange homeland money for a foreign currency. Travelers visit the country’s “store” and select items to purchase from a “shopkeeper” with the foreign money they have available to spend.

Online Price: $4.99 Your Price: $4.99

This simple device allows students to appreciate the importance of the stethoscope in medicine and the study of human biology.

Online Price: $4.99 Your Price: $4.99

Simulate evolution with some colorful "critters" and carnivorous "beaky birds." Simulations are helpful to demonstrate processes like evolution that take place over many years. Observe how adaptations such as camouflage help organisms survive and pass on traits to offspring. Recognize evolution happening simultaneously in both the predator and prey (bird and critter) populations.

Online Price: $4.99 Your Price: $4.99

Use this enhanced pinwheel to measure the mechanical energy that can be obtained from moving air.

Online Price: $4.99 Your Price: $4.99

A must to include in your science lesson plans. Students assemble an easily built spectroscope that allows them to separate incoming light into its component colors, forming a light spectrum (rainbow).

Online Price: $5.99 Your Price: $5.99

A teaching resource to demonstrate the science of motion and forces like friction and air pressure, where students create a simple hovercraft that will gracefully glide along on a thin cushion of air.

Online Price: $5.99 Your Price: $5.99

These tiny beads can soak up and hold over 100 times their weight in water! Each bead maintains its spherical shape and color. Observe how the beads absorb water over time. Create a fun illusion using the optical properties of the beads.

Online Price: $7.99 Your Price: $7.99

Students build a "vehicle" designed to prevent a dropped egg from breaking. In the process, they discover that combining simple materials with a little creative thinking and teamwork will reveal many ways to solve this intriguing challenge!

Online Price: $7.99 Your Price: $7.99

What does math have to do with thrilling roller coaster rides? How high does a coaster need to be to successfully navigate through a loop and on to the end of the track? Explore these questions and more with roller coaster math!

Online Price: $8.99 Your Price: $8.99

A variety of scientific and gravity "defying" demonstrations can be done by combining pill and ring magnets in unique ways to create a multipurpose demo unit.