Inexpensive homemade ferret toys.
Small Pets DIY... Ferret ball pit made from plastic Easter eggs. I got 144 of them from oriental trading for $10 The eggs are also great for balls to roll around when you put beads or beans in them.
101-ferret-games-homemade-ferret-toys by Ferret-World .com via Slideshare
Homemade ferret playhouse, be sure the PVC tubes are well over the size of your ferret!
Here is where I found the basket part like it, Amazon search for this; ONOR-Tech 2PCS 3 Tier Hanging Mesh Storage Closet Toys Organizer. Then you can add goodies to it.
The ferrets' new ballpit from Santa - YouTube
DIY Ferret Exercise Wheel - PetDIYs.com
Dig box magic More
101 Ferret Games & Homemade Ferret Toys