Max looks so adorable in all the photos and also looks like he is enjoying exploring his new cage.
I also think a water bowl might better for Max.
These bowls are good as water bowls as they are fairly shallow (2.5cm high).
Ceramic Dish - Hamster Print - £2.05 : ratRations.com
Ceramic Dish - Hamster Print Blue - £2.40 : ratRations.com
Ceramic food bowl for small pets: pet accessories at zooplus