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"Classic" Long-Range Observation BinocularHighly rated by both Sky & Telescope and Astronomy Magazine -- Ideal for long range viewing in the sky or on land.The legendary Oberwerk, Long-Range Observation Binocular now with 100mm semi-apochromat triplet objectives (each objective is 4" in diameter), and fully broadband multi-coated optics is the ultimate optical instrument for terrestrial ob... more |
"Opposites Attract" T-ShirtThis T-shirt features a cartoon by Nick Kim that's a clever tribute to ionic chemistry. The caption reads: "Just what is it outside that window that you gentlemen find so attractive? |
'Hows and Whys of Science' KitFrom A to Z, this kit has it all! -- From astronomy to zoology, this comprehensive kit has everything a young scientist needs to explore how the universe works. This kit contains 100 experiments you can perform. -- Learn how to conduct experiments like the professionals with special laboratory instruments and materials including a telescope, beake... more |
1/3 Pound Bag of Genuine Mine RoughPan for Gold & Gems in Your Own Backyard -- Receive 1/3 lb. of mine rough (mine spoil and dirt, sprinkled with fools gold and real gem material). -- Comes complete with instructions and mineral information. Just pour a big handful of mine rough into a metal can or bucket, add water and swirl like a real prospector. -- Gold and heavier gem materia... more |
1001 Playthinks, Puzzles, Paradoxes.......Illusions and Games...."the most wide-ranging, visually appealing, entertaining, gigantic collection of brain teasers"..New York Times -- Open this amazing book to any one of its 400+ oversized pages and instantly you’ll be whisked off to a place you may never wish to return from. -- A place of riddles, puzzles, visual challenges, illusions, ... more |
100mW Green LaserMany Uses, Attractive Packaging -- The latest laser crystal technology and optics combine to create this high quality, pen-sized laser pointer. -- It emits an intense, brilliant laser beam and has a range up to 1000 meters. -- Use your laser pointer to aim at any desired targets on projection screens, video monitors, presentation graphics, and an... more |
10mW Green Laser PointerUse in the Classroom and Boardroom -- The latest laser crystal technology and optics combine to create this high quality, pen-sized laser pointer. -- It emits an intense, brilliant laser beam and has a range up to 1000 meters. -- Use your laser pointer to aim at any desired targets on projection screens, video monitors, presentation graphics, and... more |
10x to 40x Zoom Stereomicroscopes-- 3-Way Switch Provides a Range of Lighting for Industrial, Educational or Home Microscopy Uses -- -- Binocular and Trinocular Models -- -- Durable Construction -- -- 10x-40x Magnification -- -- 10x WF Eyepieces -- -- Zoom 1x-4x Objectives -- -- 5W Halogen Incident/5W Fluorescent Transmitted Illumination -- -- Rack and Pinion with slip clutc... more |
12 Droppers - Glass, Straight Tip, 3" droppersPackage of 12 straight tip droppers, 3", glass. |
12 Large Specimens in NebanolIncludes 4"-5" clam, 4"-6" crayfish, 9"-12" earthworm, 3"-4" grassfrog, 7"-9" perch, 5"-6" starfish, 3/4" grantia, grasshopper, honeybee, hydra, 7"-9"fetal pig, and 7"-9" rat. |
16" Metallic Motion LampWatch the shimmering "lava" gently rise and fall -- Lava lamps have fascinated and mesmerized onlookers for decades. Combining the warm glow of colorful light and the graceful, slow-moving interaction of lava and gravity, lava lamps cast a relaxing aura about any room. -- With our new Metallic Motion Lamp we put a modern spin on these classic lav... more |
17th Century Terrestrial Table GlobeHistorical Posession of Wealthy World Travelers -- The original maps displayed on this antique globe were drawn by Gerardus Mercator in 1541 and were revolutionary for that time. Voyages of Discovery were inspired by globes such as this one, and most often they were found in the homes of only royalty and very affluent citizens. -- Now you can brin... more |
186,000 Miles Per Second T-ShirtThis clever T-shirt just might get you out of a speeding ticket. After all, if you're obeying the laws of physics, 186,000 miles per second is the law. Picturing Albert Einstein as a traffic cop, this shirt is a great conversation starter. Available in Medium and X-Large. |
19th Century Pocket CompassTravel back in time with this ancient mariner's compass. A miniature version of the actual antique, this model is consistently accurate. -- A set of concentric gimbaled rings make sure the compass always hangs level, whatever the motion of your vessel. -- Enchanting and authentic, the 19th Century Pocket Compass is a wonderful accessory for you... more |
2 Pounds of Cut GeodesA geode is a rounded rock cavity lined with quartz or amethyst crystals. These geodes are pre-cut in half, displaying their crystal interior formations. As each geode is unique in weight and color, each 2 pound selection will be different. From 1" to 3" diameter. |
2"x4" Rectangle MagnifierDual 2X and 6X; durable, one-piece molded construction, Bausch & Lomb -- The Bausch and Lomb Sight Savers 2" x 4" magnifier features two magnifers: 2x and 6x. The large rectangular lens covers a wide area and is great for reading, hobbies, and detailed inspection. -- The small lens, located where the handle meets the large lens, magnifes 6x for sm... more |
20 Q Challenge GoldIt can read your mind! -- Think of something...anything! The 20Q Challenge Gold will guess it in 20 questions or less. If not, you win! -- The mind-boggling accuracy of this quiz game dome will amaze you. Answer the questions that appear lit on the dome - yes, no, sometimes, rarely, or unknown. -- You can even undo an answer and return to previo... more |
2000g Ohaus Portable Economical ScaleThis compact balance provides total portability in a durable easy-to-clean housing. -- Economical, slim and sleek. Portable Standard balances feature simple, one button operation with a high contrast display reading in grams or pounds;ounces. Capacity to 2000g with readability to 1g., has full capacity tare and is powered by a single 9 volt battery... more |
200g Ohaus Portable Standard ScaleThe Ohaus Portable Standard Scale is durable and has an easy-to-clean case containing the latest in electronic technology. Features sinple, one-button operation and a large easy-to-read 0.3"/80mm high LCD display. Dimension: 5.9" W x 1.9" H x 7.4" D. -- Specifications: -- Capacity: 200g -- Readability: 0.1g -- Platform Size: 5.25" x 5.25" -- Weigh... more |
20X Inclined Stereomicroscopes20X Magnification -- 10x (30.5mm diameter) Eyepiece -- 2x Objectives -- 10mm Field of View -- Rack and Pinion with slip clutch focusing -- 3"/80mm Working Distance -- 51mm to 75mm Interpupillary Adjustment -- Years of reliable viewing are yours with this full-sized (11"/30 cm) stereo-microscope featuring a dual illumination system. -- Select... more |
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