Preferred Sands (No. 425) makes these resin-coated grains for hydraulic fracturing, or fracking. The coating allows sand to penetrate low-temperature and low-pressure wells without the use of phenol, a strong chemical.
This Sportster 36 skateboard from Bustin Boards (No. 467) sports a drop-through design, meaning it's low to the ground for added stability. Ryan Daughtridge started the company after designing his own skateboard to commute to his Wall Street job in New York City.
Inspired by a Chinese takeout container, Jason Lucash and Mike Szymczak of OrigAudio (No. 307) designed these 3-inch-tall Fold N'Play speakers, made from recycled materials. The $16 speakers, which fold flat, weigh just 4 ounces each.
These elastic adhesive strips from KT Tape (No. 356) were originally marketed only to physicians, until founder John MacKay brought them to 22,000 drugstores and retailers. When placed strategically, the tape, which sells for $13 to $20 a roll, can stabilize a pulled muscle.
Press a button on the Origami stroller from 4moms (No. 401), and it automatically folds down flat. The cool factor doesn't stop there: The stroller, which sells for $849, includes headlights, an LCD screen, and a mobile-phone charger, powered by generators in the rear wheels.
Designed for off-road vehicles, these bright—and nearly unbreakable—LEDs from Rigid Industries (No. 151) light up dark spaces for a variety of industries, including farming, emergency services, automotive racing, and mining. The company's patented reflector systems help project the beams more than 3,000 feet.