Invicta Men's 10402BBB DNA Urban Gunmetal Dial Black Silicone Watch

A subtle look that can be worn countless ways. This sweet, sterling silver pendant by Studio Silver features a shiny cross and a teardrop-shaped clear quartz accent. Approximate length: 16 inches. Approximate drop: 1 inch (cross) and 1/4 inch (clear quartz).

Omega 1863 Caliber Swiss mechanical-hand-wind chronograph used on the Moon; 48-Hour Power Reserve

Scratch-resistant sapphire crystal with anti-reflective treatment on both sides

Case diameter: 42 mm

Stainless-steel case; Black dial; Chronograph functions; Tachymeter function

Water-resistant to 330 feet (100 M)

Military details including shoulder epilets and front seams

Available in academy blue liberation plaid

Learn why the amazing soda geyser works

Kids have seen it on TV and on the Internet, but they can't get it to work unless they get all the Mentos in the soda bottle all at once

Science teachers have known the power of the pop for years. Now young scientists are learning how much fun it is

All non-toxic and fully safety tested

Includes Geyser Tube, Mentos candies, instructions