"The Mystery of Lyle and Louise"

Individual spherical glass lenses.

Compare and contrast species from five kingdoms of life

Pieces of reusable zinc-plated iron wire for magnetic field experiments.

An outstanding advance in rubber stoppers, four stoppers in one reduce inventory confusion and cost.

Meets AP Science Practices 1, 2, 4, 5, 6, and 7

Bandages come with the preferred and patented Stat Strip® easy opening wrapper that nurses request.

Bandages come with the preferred and patented Stat Strip® easy opening wrapper that nurses request.

Easy to connect beads for DNA fun.

Ideal for a Variety of Uses.

A heart model without pins!

Individual spherical glass lenses.

Useful for collision and pendulum experiments.

30 cm, no holes.

This life-size, high-quality muscular figure represents a wide variety of human anatomical structures in most accurate detail.

Label Your Existing Vials!

SmartCheck ladders are available in three size ranges (50 bp, 100 bp and 1 kb) to cover most common applications.