Here is my shopping list, please let me know if anything should be edited!
-2 12" silent runner wheels (wish they came in any color but orange or army green, but that's okay)
-2 Sungrow cocounuts
Amazon.com
-2 Niteangel Suspension Bridge for Hamsters, Small Pet Ladder, 21.8" x 2.8"
Amazon.com
I'll add more later, open to suggestions!