This challenge can be of a ball cap, work hat, cowboy/cowgirl, men’s or women’s fashion hat, sports hat, on a model, or some kind of still life photography. READ MORE →

Vortex Optics Crossfire HD 10x42 Binoculars - HD Optical System, Tripod Adaptable, Rubber Armor, Waterproof, Fogproof, Shockproof, Included GlassPak - Unlimited, Unconditional Warranty

(4853650)

$149.00 (as of 4 August 2025 18:36 GMT -04:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

10x magnification & 42mm objective lenses, these Crossfire HD binos are optimized with select glass elements to deliver exceptional resolution, cut chromatic aberration and provide outstanding color fidelity, edge-to-edge sharpness and light transmis... read more

The tomato can be red, yellow, purple, or a combo of colors. There can be one or multiple tomatoes in the image. Depending on your location in the world it may be outside hanging on the vine READ MORE →

Compact Binoculars for Adults and Kids, HD Mini Portable Outdoor Binoculars Children, Pocket Lightweight Folding for Bird Watching, Hunting, Concert, Theater, Opera, Traveling, Tourism, Shows

(435796)

$12.99 (as of 4 August 2025 18:02 GMT -04:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

【Glimmer Night Vision】- Low-light night vision allows you to observe at night. You can be in the dark, but the object you wish to observe must have light. 【Suitable for Adults and Children】 - Mini compact binoculars are only 5.3 ounces, breaking away... read more

This week we’re playing with Photoelasticity, “the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.” READ MORE →

200x25 Compact Binoculars for Adults and Kids, High Powered Mini Pocket Binoculars, Waterproof Small Binocular for Bird Watching, Hunting, Concert, Theater, Opera, Traveling, Sightseeing

(4251199)

$16.99 (as of 4 August 2025 18:02 GMT -04:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)

200X COMPACT BINOCULARS - Our binoculars are high powered with 200x magnification zoom and a 25mm large field of view, letting you observe and focus on the target in great detail 1000 yards away. It's ideal binoculars for adults and kids, bird watchi... read more