Back to the future day

I heard on the radio this morning that today is back to the future day as the 21 Oct 2015 was the day the Marty McFly travelled to in the film.  I wanted to do a back to the future theme for today.  I was busy all day today assessing student teachers and was exhausted by the time I got home.  I was running out of time to come up with an idea for my Back to the future theme, when my husband handed me his watch to represent time travel.  Best I could do under the circumstances.