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Perfect science fair project!! Enough material to grow 3 trees
Crystal Growing Tree
Instructions with 17 scientific questions and answers
For Ages 5+
Contains 15 specimens, approximately 1 1/2″ x 1 1/2″, number-coded in a compartmented co...
Great for use in both lectures and hands-on activities! This unit consists of an acid-proof, non-por...
This Large Periodic Wall Chart (49 1/2″ x 38″)is printed in four colors to insure easy v...
Inexpensive, yet priceless for teaching potential!