Click on the screen to make new chicks. You can also press the B button if you are using keyboard. The keyboard has a 0.05 second cooldown.
Credits: Peppa Pig for the game, Note: Chicks will get deleted after 5 seconds so you can create more, there is a maximum of 300 clones you can have. If someone will help fix the glitch if possible where if you click on the background or Mrs. Chicken it multiply the chicks I will give you credits and other good stuff