125 Scientific Challenges Set Series_Excursion 25 inch barrel is designed

25 inch barrel is designed to provide bright

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

while a close focus of 2

5mm focal length is perfect for observing objects that would benefit from high magnifications such as the Moon

control knob with knurl

125 Scientific Challenges Set Series_Excursion 25 inch barrel is designedFeatures 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