Determine the specific gravity of common metals using this set of specific gravity cylinders. Four 13 X 50mm cylinders of aluminum, brass, steel and copper are included in this set. Excellent for use in any physics classroom!
Build your own 10 inch kaleidoscope with this great kit!
This genuine meteorite is great for the rock collector in your family!
Build over 60 projects with this deluxe version of the Snap Rover kit!
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!
This SUPER Erector Construction set is one of the best you'll find anywhere!
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