Grandpa and His Gimmicks

In addition to his 226 antique snowmobiles in the barn, Grandpa has quite a collection of homemade "gimmicks" for display on his lawn.  I particularly liked one I hadn't seen before, a U-Boat crafted from various tanks and fitted with a potato cannon, among other things, for armament.

As one visitor observed:

"The Francis Servais collection, I think that there is something in the water here..."