This pack of 10 compact push-button switches with leads is incredibly useful for many different electronic experiments and activities, and can be used for a variety of different science fair projects. The switches work especially well for anything involving morse code. Each can be used in combination with many of our other electronic components, including buzzers, AA / AAA / D / C cell battery packs, solar cells, and much more.
High-quality green laser pointer projects a green dot up to an incredible 2 miles away.
This 10 inch realistic model has removable organs that can be studied and set back into the correct position!
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
A beautiful desk toy for your favorite person’s office!!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!