Brings back many memories. Spent late December 1968 till April 1969 at Great Lakes in USN Engineman “A “ School. Spent most all free time with a farm family that lived on Sand Lake road in Lake Villa area. They had a year old or so Ski-Doo sled and they bought a new Ski Whiz in early January 1969. Purchased from a local Massey Ferguson dealer, Peterson, if I remember correctly. Was a cold winter with lots of snow and lake ice to ride on. Took a different level of winter clothing to enjoy riding for very long in the cold. Had been in boot camp in Orlando, Fl. from October till Christmas of 1968. Remember was like going from warm stove to deep freezer for weather. GOOD TIMES!