After we read  "Theseus and the Minotaur", my oldest daughter and I created a "labyrinth" for the youngest 3 girls.  We used a couple of skeins of yarn and strung it throughout the house.  The girls had to climb up, over, under and around furniture and obstacles to find the "Minotaur".  Big sister was decked out in a furry blanket and horns waiting to pop out at them!  They didn't know where they would find her -- their quest led to Mommy and Daddy's closet --- but (WOW!) lots of screams when they finally did!  I was laughing so hard I forgot to take pictures!