After you've mastered the basics of "Tumbledown," try these ways to make the game more challenging:

• Insert several Switch cards into a main line of cards and have new paths break off.
• Stage races by lining up two sets of cards and using a Switch card to topple a card in your opponent's line of cards (making a hole).

Share your own ideas for new ways to play "Tumbledown" in Spider's Mailbox.

Click here to print extra "Tumbledown" cards (PDF).