Seren and Penny were playing with a box that was leftover from an ice cream variety pack and were pretending it was a time machine. Seren popped in Penny's doll and her doll, closed the lid, lifted the box and made "whirring" sounds as the box traveled through time.
As I was pouring my coffee, I heard the "whirring" stop, the time machine doors open, and Seren's doll exclaim, "It's the 1960s...UGH! Let's keep going!" The "whirring" began again...