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.
This great rock tumbling kit comes with everything you need to polish stones and gems!
This kit allows to build up to 3 different robots!
Working model representing the sun, earth, and moon and their relationships.
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
Explore the invisible and amazing power of magnets with 33 engaging experiments and games.