125 Scientific Challenges Set Series_Excursion while a close focus of

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the other two are the 40mm 62° Series

it allows for unobstructed light transmission and sharp images across the entire frame

control knob with knurl

Its compact Maksutov-Cassegrain design combines portability with performance

125 Scientific Challenges Set Series_Excursion while a close focus ofFeatures Learn simple scientific principles as you tackle 125 different circuitry challenges Design a maze and up the difficulty with a few bends of a wire Build a mini basketball game, a bubble maker or a robotic dinosaur in a few simple steps Set up challenges involving launching a flying disc, spinning a color wheel or ringing a bell Includes multiple storage boxes that double as bases for your builds Description Junior scientists can tackle 125