Amazon has the Playmobil Family Camping Trip Playset (5435) for $9.95 with free shipping on $25+ or with Prime. List price: $18. Includes three figures, cat, clothes hanger with clothes pins, towels, cans of food, cups and plates, lantern, and other accessories.
Has excellent Amazon Reviews.
Walmart has the Meccano Erector Aerial Rescue Building Set (SM6028598) for $13.99 with free in-store pickup or $5.99 shipping to home. List price: $30. It includes 406 pieces and instructions for 20 models.