Your aim is to send the Yoda jedi bird into the cave. You should aim between the first metal bar and the triangle metal. Because your exact timing and angle, this stage requires several tries to get the exact “bounces” correctly.
Power Activation Point
Activate the power when you are about to the the wooden piece.
First Shot Result
Yoda will bounce around inside the cave, resulting in the deaths of all the pigs and netting you the three star ranking.