Puzzle #1: Fire

Requirements: None
Action: Drop one adult villager on the dry grass in the upper left. Pick up a villager and press number 7 to get him there quickly. Drop another villager on the woodpile on the bottom left, press number 1. This can be done the same time to save time. Once the villagers carry the grass and wood to the fire pit then drop an adult on the fire pit and he/she will light the fire.
Description: "A villager discovered how to make fire! Crackling and warm, this foundation of life and progress provides comfort, health, and technological advantage... As long as your villagers can keep it burning."