Science Fair Kits and Projects

Elegant is the only way to describe this pen-laser-stylus combo. This unique device boasts sleek lines, matt-silver finish and functions beautifully as three instruments in one. — One end of the unit projects a brilliant laser beam up to 2000 feet. The 645 nm diode generates a beam bright enough to reach any corner of the largest auditorium. — The other end is a quality ballpoint pen that can be changed to a handy PDA stylus with a twist of the barrel! Pen refills can be obtained from most office suppliers. — This 3-in-1 Combo instrument comes in a durable, easy to open and close metal case and makes a thoughtful gift. Uses 3 LR44 readily available button batteries (included) and has a two-year warranty.

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Incorporates the latest technology in green laser optics and microelectronics so it is Brilliantly Bright! — Powered by a Sony diode with a lifetime of 3000-5000 hours, the Adjustable Green Laser Pointer projects a green dot up to an incredible 2 miles away. It is so powerful that the beam itself can be seen for several hundred feet in darkness. — The lasers adjustable feature allows you to adjust the focus of the laser pointer to get the ideal beam for the distance you are projecting. Just turn the gold colored ring on the front of the pointer. At short distances, a few feet or less, you can project a remarkably sharp and bright beam. — This top quality green pointer makes an immediate impact. Presenters using green lasers are immediately perceived as ahead of the pack in both style and technology. Housed in a solid metal case, the Adjustable Green Laser Pointer is a great choice for those who want the very best and latest in laser pointer technology. — Wavelength is 532 nm; pulse duration is >3.8 x 10 -4; radiant power is

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