If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Feed the grain to the hungry chicks to make them grow big and strong. On the right of the screen are various conveyor belts, fans, funnels and other machines. Drag them to the right place on the screen and guide the grains to tray so the chickens can eat them.
This game is played with mouse only.