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...
Our white streak plates (2" x 2") can be used to test the hardness and color of rocks...
These 6-inch probes are great for any dissection activity. Both sides are able to be used for a...
