50mm Refractor STEM Telescope Kit battery you can protect your gear

you can protect your gear from the hot sun during the day

it allows you to increase the magnification of any eyepiece with the same barrel size that you already own

Engineer hours of fun with this build-it-yourself electronic science set

delicate nebular structure

through user experiences and our subsequent testing we have concluded that our 3-inch field flattener/reducer performs very well with our f/7

50mm Refractor STEM Telescope Kit battery you can protect your gearThis STEM kit from Explore One provides everything young explorers need to build their own 50mm refractor telescope. Designed to teach the science of optics and how telescopes work, the kit includes all parts and clear instructions for assembly. Once built, the compact 50mm aperture refractor is perfect for observing the Moons cratered surface, offering a hands on introduction to astronomy.