This very unique watch features a working Planisphere on the dial! See the constellations visible in the Northern Hemisphere (between 35 - 50 deg. lat.). Quality construction includes a durable brass case, crystal dome lens, comfortable rubber strap with heavy duty steel clasp, Citizen Japan movement and a Swiss "Super Luminescent" dial that glows for 2-3 hours without batteries! Makes a great gift for anyone interested in astronomy.
The Duncan Phoenix Diabolo features a stable, hard rubber shell that retains its shape.
Perform awesome experiments using everyday materials found in any kitchen!
This genuine meteorite is great for the rock collector in your family!
This project book and sample kit introduces you to shape-memory alloy technology!
Build a hand that realistically moves its fingers using shape memory allow technology!
Learn all about the science of light, optics and visual perception with this wonderful kit!