So
this new product just popped up on AndyMark today...
Last year they released the track drive and we had to traverse daunting obstacles...
This year they are releasing a wheel that "gives way to allow rigid objects to be manipulated easily. This makes for high-performance intakes and internal conveyors."
Thanks for the hint AndyMark.
Looks to me like we will be handling rigid, chunky shaped coal game pieces this season.