Hey Iggy I was in two different Menard's in the past week and they both had wooden model kits that I thought you might find interesting for you and "Iggy Jr." They had SUV's, trucks, boats and farm tractors. In all I think that they have 7 or 8 different kits. I thought of you and your son might have fun building a sequel to the "MV IggyII". The kits ran around $5 IIRC.
Greg