These D battery holders can house two D batteries, and you will find they are excellent for use in any hobby or science project. Each holder includes wire leads for easy hook-up. Recommended for electronics applications, science fair projects, and more! Set includes 10 holders.
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
The cards show the name of the element, the atomic number, group, natural state and common usages!
With 23 hands-on experiments, you can investigate specific weather phenomena as well as the climate system in general.
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Make the coolest 3D pin art on your desk with this amazing desk toy.
Easily assemble a working alarm motion detector!