In relation to this post.
After listening to everyone's idea's I decided to try out the Snak Shak.
So on Saturday I went to Pets at Home and picked up the hamster log, because it was cheaper than the larger ones and I didn't want to spend a lot of money (I'm off to Tenerife in a week!

They seemed to take your claims of durability as a personal challenge.
On sunday at half 3 in the afternoon it looked
At half 9 this morning (monday) it looked
All together now!
ALL HAIL THE KING AND QUEEN OF DESTRUCTO BUNS!
EDIT: It's now 15:50 and it doesn't even resemble a tunnel anymore! Pictures on a different computer unfortunately...