"The Mystery of Lyle and Louise"

Efficient combination of a pump and a vacuum plate.

This one pound bag of #16 rubber bands make perfect belts for pulley driven mechanisms.

Simplifies exercise band and exercise tubing use.

Pre-mixed, and ready to use, this master mix contains DNA polymerase, dNTPs, MgCl₂, and reaction buffers at optimal concentrations for the amplification of DNA via PCR. Its special formulation allows for direct loading of PCR samples into agarose gels as well as tracking the migration during electrophoresis without the need for loading dyes. Simply add template, primers, and nuclease-free water, available separately. Mater Mix reduces risk of contamination. Includes enough for 100 reactions. Note: Can be stored at 4 °C for up to six weeks, or −20 °C for longer.

Demonstrate the transfer of mechanical energy into electrical energy with a simple motion of your hand.

Protect Clothing from Spills and Splashes

The HelpingHands magnifier from Carson is a hand-held or hands-free, fully adjustable LED lighted soldering and hobby magnifier.

This model of the HI-Virus, enlarged millions of times, shows the outer lipid membrane with protein structures, and the internal nucleus which contains the viral hereditary matter (RNA).

Study different concepts utilizing sunlight or darkness.

Friction blocks are useful for teaching the basics of force and motion.

Massive, chlorite-rich.

One Racer, Endless Design Possibilities

Attaches to the end of the Vernier Dynamics Track to prevent the cart from leaving the track.

Use a new wheel every time.

Gray to brown mudstone with abundant silt.

High-Quality, Detailed Dissection Of A Complex Appendage