Grades 3 & up. Gain a deeper understanding of how the human body works with this 4-piece model set. Includes: heart model, brain model, human body anatomy model, and skeleton model. Models range from 3 3/4"H to 9 1/4"H. 132 pieces in all.
The biOrb Classic 15 liter aquarium is a simple starter aquarium which can be up and running in no time. Everything you need is together in one box -- all you need to add is water and fish. The aquarium is made from acrylic, which is stronger and safer than glass. Easy maintenance includes replacing the filter from the biological filtration system every six weeks, and changing a third of the water every two weeks. The aquarium is equipped with a standard LED light. Measures 11 3/4" diameter… More »
Get started on the EarthBox adventure in your elementary classroom or add more earth boxes to curricular packages. Each kit includes: Container, Aeration Screen, 2 cubic feet of Potting Mix, 1 lb. Dolomite, 1 lb. Fertilizer, Fill Tube, 4 Casters, and 2 Mulch Covers.