Here’s what “How I Met Your Mother” actor Neil Patrick Harris gave to his partner, David Burtka, this Christmas (with a little help from little Gideon and Harper):
We want one!
https://twitter.com/DerekAJAM/status/415911460389138432
We’re not sure if Neil did this all on his own, but there’s a company called FlipBooKit sells kits so you can make your own mechanical flip-book.