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Explore Science V8 Model Engine - STEMFREE Explore One 30mm Compact Binoculars, when purchasing an Explore Science STEM product. To activate this promotion, add both items to your cart and the deal will activate. Features Engineer your own V8 combustion engine Hands on experience of how the real engine works STEM Learning about 4 stroke cycle Discover real classical engine step by step Get ready for the vroom vroom sounds Over 270 pieces Description Emerging engineers can get a great

This optional accessory adds another level of versatility to the Twilight II mount

Astrozap makes these Focusing Caps with the Bahtinov Mask to fit telescopes with apertures ranging from 90mm to 405mm

Eye Relief 13mm

Two interchangeable Plössl eyepieces and a 2x Barlow lens provide magnifications ranging from 26

Synthetic coconut shell buttons

Silicone Rubber Warranty

while the load capacity has been improved

Maksutov-Cassegrains from 100mm to 152mm

provides a smooth course focus and a precision ultra-fine focus

a red dot viewfinder

200mm Inside Diameter 3

Offering true diffraction-limited optics with genuine HOYA FCD1 ED glass