GK004 - EXPERIMENTAL TELESCOPE 20.75IN A SCIENCE GUIDE W/EXPERIMENT K

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LEARN HOW TO BUILD VARIOUS TYPES OF TELESCOPES USING THE INCLUDED CONCAVE & CONVEX LENSES. A 66PAGE BOOKLET EXPLAINS THE SCIENCE BEHIND ASTRONOMY AND EXPLAINS SOME OF THE SECRETS & FACTS OF OUR SOLAR SYSTEM AND STARS. SIZE OF TELESCOPE: 20.75? LONG Show more