Quote Originally Posted by moosmom
Bed Bath & Beyond where I work sells them for $19.99. If you PM me with your address I can send you a $5.00 off coupon which will help with the cost.

Another suggestion is go to Home Depot and buy a piece of wood wide enough for him and just prop it up so he can walk up it, sort of like a plank.
That's what I was going to say - Bed Bath & Beyond sells them really cheap!