Reclaimed bike inner tubes, billboards and ropes used by mountain climbers transform into cool items like change purses and wallets ($8-$25), notebooks ($20-$25) and bracelets, key chains, dog collars and leashes ($3-$18) that young people will love. Shipping is free on orders more than $50 at greengurugear.com, and you can save 10 percent through January with this coupon code. (Use the coupon code 08Ecogift10.)