At the end of each stage you will get the chance to play a Goal Game. Make Kirby jump to collect the items.
Kirby turns from left to right. Press when he is facing the item you want to get.
Kirby swings his arms forwards and backwards. Press to jump. When his arms are swung backwards, he will jump far. When they are swung forwards, he will jump closer. Consider the distance to the item you want and time your press of well.