"Caterpillar" game

The kids have been having a blast inside the house when the weather has been cold. They made up this game called the "Caterpillar." It involves a rolled up blanket that each kid holds on one end. The 1st person holding the blanket chugs the end person along as they move around the house...

Here is what's happening on the bottom part of the picture...

And what you don't see in either of these pictures is Luke in the dining room. He apparently is the designated traffic control guy. He gives the red, green, yellow, and even blue (?) traffic light to direct the "caterpillar" while it's en route in its travel--which would be circling around the main floor of our house.