Ben's Traffic Lights

I was putting the kids to bed in the BAT Cave tonight (that's Ben, Addie, and Theo's bedroom, get it?), and frankly, it was not going very well.

Probably it was Theodore's fault, but I'll take the blame, since I'm the Parent. I was getting quite huffy, grumpy, upset and not-having-any-of-it.

That's when Ben interrupted.

"Dad! I have an idea of what we can …