The girls were encouraged to make homemade cars from cardboard boxes for the AWANA Grand Prix (or Prikx as Tabitha says) and Drive-In Movie Night. 
John got boxes from Wegmans and the girls helped design their rides.

I wondered if they were taking it a bit too seriously until John reminded me who his employer was…  He has a reputation to protect.

We had one Volt, one Corvette, and one Escalade.