"Avantor"

Six Different Exercises Show the Effects of Heat Energy

Corks

One each of foliose, crustose, and fruticose lichen. The foliose and crustose lichens are any of a wide variety of species; the fruticose lichen is either cladonia or reindeer moss. All samples are field-collected and come in a 4 oz. labeled jar.

Planaria are a flatworm commonly used in science fair projects. They do not bite and move very slowly, making them easy for young students to observe.

Get Spectacular Reactions from Your Students When They Witness These Surprising Demonstrations

These DNA markers are used to determine size of unknown DNA fragments. If using within 2–3 days, they do not need to be refrigerated and can be stored right on a shelf. If storing for longer time periods, freezing is recommended.

Ship date is required.

These large beetles have a striking shiny appearance and are slow moving and docile.

This North American Diplopod makes a great classroom pet and can be used in behavioral studies.

Bullfrog tadpoles are great for demonstrating metamorphosis in the classroom.

These unique salamanders keep their gills and stay fully aquatic even into adulthood, making them ideal subjects for embryological and developmental studies.

For Fermentation Studies

Samples from our well-established aquculture systems will help get your systems up and running.

Vegetative and dividing cells with large chloroplasts.

Visualize an abstract concept in under fifteen minutes.

One vial contains 50 discs each of penicillin, streptomycin, tetracycline, neomycin, and erythromycin.

Clearly preserved ripple marks in bedded sedimentary rock. Average slab size: 6 x 8".