I belive your idea is good. Personally, I´m very interested in minifigs, so the parts i miss are related with them:
Minifig Bowler hat - 95674
Minifig Mexican Sombrero - 90307
Animal Cow - 64452
Animal Camel
Boat Canoe - 6021
Cloth Tent
Cloth Tepee Cover - x172
Headgear Helmet Spartan Warrior - 90392
Headgear Hood Farmer's Cowl - x79
Minifig Bowler hat - 95674
Minifig Mexican Sombrero - 90307
Animal Cow - 64452
Animal Camel
Boat Canoe - 6021
Cloth Tent
Cloth Tepee Cover - x172
Headgear Helmet Spartan Warrior - 90392
Headgear Hood Farmer's Cowl - x79