"micro tube racks"

This excellent quality electrostatic generator consists of a charge generation system, an aluminum collector sphere, and an electric motor drive on a sturdy base.

Create your own brick-based electronics projects in minutes with these Crazy Circuits sets.

Easy to read wash bottles with NFPA diamond and health hazards.

The Celestron NexStar 130 SLT Reflector Telescope lets you view the details of the lunar surface, the rings of Saturn, the polar ice caps on Mars, the cloud belts on Jupiter, or a number of the Messier objects.

Affordable, Easy, Fun
Present these demonstrations in front of your class to excite your students about learning core physics concepts. Set up and execution are simple, so you can spend more time engaging your students. Ideal for introducing a unit or using as reinforcement after a lesson, these demos are available for all fundamental physical science topics.

Two 70 cm long spring scales allow students to easily see and demonstrate force experiments and equilibrium.

Combining high accuracy water level measurements with out-of-the-box convenience, this money-saving kit includes everything needed to start logging right away. It is ideal for monitoring water levels and temperatures in wells, streams, lakes, freshwater wetlands and tidal areas.

Launch an egg and test recovery systems with this reliable, sturdy model rocket.

Explore a full range of motion with the advanced hydraulic arm

The NASA’s Beginning Engineering, Science and Technology (BEST) Students Kit was designed to accompany the NASA BEST Students Educator guides, an afterschool engineering club curriculum for students in grade K to 2, 3 to 5 and 6 to 8 (www.nasa.gov/audience/foreducators/best/index.html).