Imagine... A medieval knight-master of mayhem and seeker of adventure. Armed with a cannon, he's always ready to do battle! Now, build on that adventure by building a castle for your knight to protect with the Imaginext™ System of Quick-Snap panels™ that kids can snap together almost any way they imagine. So they can create a whole new adventure every time they play! (Castle sold separately and subject to availability.)All pieces within the Imaginext™ System are compatible. Mix and match any way you like!