"The Mystery of Lyle and Louise"

Frosted Labeling Area Allows for Easy Reading

Combining Economy and High Performance for Essential Weighing.

These stoppers are made of a superior grade of rubber that has softness, resiliency, and durability.

Plates include a large hole in the center and numerous 5 mm diameter perforations. Glazed on one side.

Meets AP Science Practices 4, 5, 6, and 7, and Big Idea 4.

The nation's most exciting science competition now has kits for at-home use!

Disposable hand warmers - ideal for outdoor workers and those who engage in cold weather sporting activities.

The nation's most exciting science competition now has kits for at-home use!

Borosilicate glass capillary melting tubes are 4" in length and have a 0.05" outer diameter capillary tubes that are particularly useful for determining the melting point of various substances.

One Pound of One-Hole Rubber Stoppers in Various Sizes.

Two Activities Introduce Your Students to the Periodic Table of Elements

Demonstrate magnetic fields on your desk or overhead with this clear container of iron fillings. Using magnets, you can show students how the fillings move and cluster together.

These 6 mm thick fiberboard wheels come with drilled center holes for 4 mm dowels.

Examine the impacts of genetic equilibrium and selection on evolution

Superior Grade Rubber Offers Softness, Resiliency, and Durability.

Spatulas with 50×7 mm thin flat rounded blades on either end.