'Coolest thing ever': Check out this Christmas gift Neil Patrick Harris made [video]

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):

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A post shared by Neil Patrick Harris (@nph)

We want one!

https://twitter.com/DerekAJAM/status/415911460389138432

@ActuallyNPH where does one GET one of those? So awesome…

— Carrie R. Clarke (@camerachickie) December 25, 2013

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.