It’s not uncommon to see a tracked robot build on these pages ... fully capable outdoor RC tank chassis, one that, within reason, we think should eventually be able to go anywhere.

The scooter gave up its engine ... Finally, he added a couple of idler support wheels to prevent the tank tracks from sagging. He then disassembled the whole vehicle for cleaning, degreasing ...

The other Sharks also declined, and Chan and his Coolpeds scooter left without a deal. More often than not, appearing on "Shark Tank" has a positive effect on companies and entrepreneurs that show ...