"The Mystery of Lyle and Louise"

Flexible, natural polyethylene bottles.

These high-quality, synthetic skeletons are perfect for everyday use.

Fireproof insulation is 100% gypsum, reinforced by a 1" by 2" lattice made of 14-gauge galvanized welded steel wire.

Includes large hole in the center and additional 6 to 10 holes depending on plate size. Glazed on one side.

Also Called a Synizetic Knot

Organized, economical survey of fossils.

Students Apply Science Principles and Relate the Conclusion to a Criminal Investigation

The buckets contain a wide variety of colorful buttons in an assortment of shapes, colors and sizes, all the ideal supply for hundreds of arts and crafts ideas.

The economical and durable Dyla-Dual magnetic hotplate stirrers are ideal for general heating and stirring.

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

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

Various sizes. Packages of 12.

This organism is a common environmental isolate, and can be found in soil as well as in industrial settings.

Colorless, most widely dispersed of the Serratia 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.

Grass frogs are low maintenance and seasonally available, typically from September to July.