A human-powered beach sled, SandStroller offers health conscious parents an opportunity to take their child for a jog…on the beach. The sled-style gadget allows junior to have a seat, and if old enough, chant, “Faster, faster!” with a price of $300, parents may work up a sweat even without using it. It’s scheduled to arrive in time for alternative Santa transportation in warmer climates in December 2014.