Antique Beautiful 10" Sand Timer Brass Nautical Wooden Base 15 Minutes Hour Glass Unique Sand Watch 15 min Hour Glass with Black Sand Best for All Pur..
ISRO Expandable Metal Bookends, Adjustable Book Ends Heavy Duty Book Holder Desktop Book Stand Non-Skid Desk Organizer for Kids, Student, Office, Scho..
Real looking 3-D model of Indian remote sensing satellite – Resourcesat-1 do it yourself kit.Kit Includes : Die punch hard paper parts, Straw, Board..
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Build your own PERISCOPE and scan the horizon without being seen ! A unique and fascinating spying toy which also teaches scientific principl..
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A theodolite is an instrument used for surveying. It is used mostly for geodetic engineering. This instrument consis of a pair of graduated c..
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Do it yourself multy application of Solar Energy 1. Solar Energy in to Light Energy 2. Solar Energy in to Sound Energy 3. Solar Energy in to ..
The GSO Dobsonian line is particular model serves a very clear purpose, to offer a large aperture and an excellent image quality at reasonable cost.Set-up is as easy as you can imagine very simple assembly with the rocker box and put it on the ground, insert the telescope tube and put the springs in..