Thames & Kosmos Biology Genetics and DNALearn the basics of genetics and DNA. Assemble a model to see the elegant double stranded Helical structure of DNA. A parents' Choice Gold award winner 20 experiments in the 48 page full color experiment manual and learning guide Head into the lab for an in depth investigation of genetics, the branch of biology focused on Heredity and variation in organisms, and DNA, The acid that holds the blueprints for life. See genetic material with your own eyes

The Triplett Sniff-It 2 is a high performance non-contact AC Voltage detector with adjustable sensitivity

Features padded feet and each includes a small suction cup that can be used to help keep the holder in place on flat surfaces

The FFT function provides spectrum analysis function for users

Built-in flashlight for AC current measurement

IEC 61010 delineates four overvoltage installation categories

A/40mA/400mA

The housing is made of clear ABS plastic

It withstands temperatures of 67 to 275 degrees F ( 55 to 135 degrees C)

• LED indicators for series and parallel operation

Siglent's new Sdm3055 is a high performance desktop Multimeter

audio and video equipment

Frequency: 43 Hz - 1 MHz / 1 µsec - 0