$15.99$11.75
Sunprints are a great way to do art and science with the sun. Create beautiful blue-and-white photo negatives...
CC Cycle 3 Week 1 is all about optical illusions, and these fun, punch-out thaumatrope sheets will demonstrate...
$1.25
Our white streak plates (2" x 2") can be used to test the hardness and color of rocks...
$0.13
These 6-inch probes are great for any dissection activity.  Both sides are able to be used for a...
$15.99$11.75
$1.25
$0.13
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