"The Mystery of Lyle and Louise"

Solid, black stoppers contain a high percentage of pure rubber and weigh less than neoprene.

This hole punch has adjustable hole positions with accuracy and durability.

Harvard Trip balances are two-pan balances designed for comparative weighing.

Dress up your classroom or school foyer.

Premium line of glass lenses designed specifically for Universities.

Stainless steel hooked weights set with a capacity of 1000 g. Ideal for classroom or lab experiments.

Use as a starter kit or a refill.

Apply Multiple Senses In The Observation Process

Explore alternation of generations.

We make your OpenSciEd adoption easy with these comprehensive kits designed by teachers and certified by OpenSciEd for guaranteed quality.

These versatile spatulas have different tools on either end; choose the style best suited to your particular needs.

Drosophila melanogaster, the common fruit fly, is widely used in genetic studies. They express a number of mutations such as eye, wing, and body mutations. Students can study sex-linked, recessive, and dominant mutations. Drosophila also makes an excellent live food for mantises, small reptiles, and amphibians. Drosophila demonstrates complete metamorphosis with egg, larva, pupa, and adult stages in its life cycle.

Red-pigmented halophile from evaporating salt ponds; requires 25% salt medium, lyses easily in plain water, releasing DNA.

All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

Nitrogen fixation, produces nodules on legume roots. Bacteroids from nodules can be X, Y, and club shapes.