Perfect science fair project!! Enough material to grow 3 trees
Crystal Growing Tree
Instructions with 17 scientific questions and answers
For Ages 5+
The Student Germination Kit provides students with the ability to see plant germination first hand! ...
Inexpensive, yet priceless for teaching potential!
Used for the demonstration of the existence of magnetic field as well as the spatial distribution of...
Knife Switch with Screw Type Binding Posts - Double Pole, Double Throw