OR1 Lookout IV Seat Harness: If your child's looking to start rock climbing, this locally made introductory harness is the perfect fit — literally. The one-size-fits-all design will let your child safely tackle small rock walls, and with an adjustable waist size ranging from 10 inches to 52 inches, you could even give it a go. For safety purposes, of course. $42.25 – Available at On Rope 1. onrope1.comSilent Cycles Mountain Bike: Custom built from start to finish in Chattanooga, this lightweight race bike is perfect for the discerning youngster cyclist. Each bike is small enough for a child but built with proper race geometry in mind, then tailored to its owner's riding style for optimum performance on the trail. $1,500–$4,500 – Available at Silent Cycles. silentcycles.com