Amazon
Fisher-Price TRIO Siege Tower
= $6.68
Build a world of castle adventure!
Double-sided snap-in picture panels let kids choose and change their castle
adventures.
46 piece set includes swinging dragon battling ram, and dragon's claw ladder
Play figure snaps on to the bricks!
All pieces in the TRIO building set work together - Build up to 4 castle
adventures!
*Walmart: http://www.walmart.com/ip/Fisher-Price-Siege-Tower-Building-Set/11396499
has it for $15