March 17th, 2008 . by admin
The Sunspotter is an innovative, wooden, folded-Keplerian telescope that uses a system of mirrors and a powerful 62mm objective lens to project a brilliant 3″ solar image onto a white viewing screen. — Easily aligned to the sun in seconds, you’ll spend hours gazing in fascination as sunspots appear, move across the surface of the sun and then vanish. — Trace the images and compare the changes the sun’s surface goes through hour by hour or day by day. Elegantly simple to use, easy to set up, and completely safe. — Objective lens: 2-element achromat, 700 mm FL, fully coated. — Objective aperture: 61.7 mm diameter, stopped down to 57.0. — Mirrors: 50 mm x 50 mm x 10 mm, two @ 25 mm x 25 mm x 5 mm, — Field lens: 4-element, 12.5 FL Plossl, fully coated, 10 mm aperture. — Weight: 6.6 lbs.
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March 17th, 2008 . by admin
Build a robot suited for space exploration. This educational building kit lead you through design and construction of an eight legged star explorer. Sturdy plastic pieces, pre-assembled PC boards, and mechanical parts do not require any soldering. Once complete, your robot can scale rocks and obstacles you create for a simulated moon surface. Moving all eight legs, the space nine can turn left and right, powered by the infrared remote control. Requires 8 AA batteries, not included.
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March 17th, 2008 . by admin
Night skies inside your very own home! — — Now you can sleep under the stars in the shelter of your home. Nightscapes Glow in the Dark Kit guides you through the re-creation of constellations on your ceiling. — A patented star projector shines actual star patterns onto the ceiling or wall. Simply apply the kit’s glow in the dark paint over each dot reflected on the ceiling to reproduce a brilliant and accurate representation of the starry sky. — The projector can be adjusted to fit the scale of any room, and the non-toxic paint will not fade with time. Detailed instructions are included along with fun facts about the 13 major constellations. — Requires two AA batteries, not included.
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