Learn all about air pollution and how clean the air you breathe is with this educational kit. This kit contains all the materials needed to conduct several tests, such as experiments on the organism-environment relationship, carbon monoxide and dioxide, oxides of nitrogen, hydrocarbons, and ozone, particulates, smoke density, and wind blown particles. You will learn how the weather and geography affect air pollution. Detailed instruction manual is also included. This kit is designed for adult use and by mature children under adult supervision.
Build a tumbling robot that gets up right after it has fallen down, without any outside help!
See the solar system in action!
Find the hidden crystals when you open your own geodes from this fun set.
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
This glass Erlenmeyer mug makes an excellent gift!
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.