For Mago: The Villain’s Burger players if you are looking for collectible in game, this guide will show you their locations with screenshots, let’s check them out.
Visible. Jump or double-jump off the bird from the right, using magic to stun it if necessary.
Visible. After both donuts, there will be a split path, and a platform to jump up to.
Hidden. In the water before and under the checkpoint, there will be an inset wall. This is destructible; hit it with your magic.
Hidden. During an upwards climb with multiple vine platforms, there is a breakable wall on the left. Behind this wall is a donut, and another breakable wall. Behind this wall is a treasure chest, and another breakable wall. Behind this wall is the collectible.