Price: $8.80

How will an earthquake, simulated by shaking, affect a "building" made of linked squares? How can the square "stories" be cross-braced to prevent the "walls" from collapsing? What dangers are there in building above a garage?

Price: $5.30

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).

Price: $7.90

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!

Price: $5.30

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.

Price: $12.30

Build a simple structure on the shake table, start the motor, and watch the action! Will your building design survive the "earthquake"?

Price: $6.90

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.

Price: $13.10

Create and decorate a "critter" whose moves are powered by sunlight. To vary the critter's movements explore making changes to the swinging "proboscis."

Price: $9.00

Students learn how to measure biodiversity in terms of species richness (the number of species living in a particular area) by sampling "species" in a simulated ecosystem and graphing and analyzing data.