"The Mystery of Lyle and Louise"

Coal bed leaf impression. Hand specimen.

This exceptional guide to North American insects is a benchmark against which all other guides are measured.

Measurement, control, regulation, and programming for middle/high school and beyond.

High quality drosophila bottles at a reasonable price.

Accommodates larger diameter tubes.

Featuring slotted holes for four funnels, it is constructed of hardwood with a metal clamp and thumbscrew for attaching it to a support rod.

Preserved specimens in resin material.

Preserved frog life cycle in resin material.

Preserved specimens in resin material.

Made for cleaning graduated cylinders, bottle necks, and more.

Paramecium bursaria is a ciliate that contains mutualistic algae called Zoochlorella. The algae lives in the cytoplasma of the Paramecium and provides it with food. Paramecium bursaria grows in Dilute Alfalfa Medium (Hay Medium) or Soil Water Medium. Requires light for growth.

Paramecium aurelia is the smallest species of Paramecium we offer. Paramecium aurelia is characterized by cilia, which it uses for locomotion and feeing. Contains a macronucleus and two micronuclei. Grows in Dilute Alfalfa Medium (Hay Medium).

Build a propeller-driven car to explore energy conversion and motion.

Tris-Borate-EDTA Solution is premixed.

Preserved pine life cycle in resin material.

Preserved specimens in resin material.