Sometimes our pets latch onto something and become completely fixated on it. A perfect example is when mini horse Theo discovered the zipper on his mom’s jacket and decided it was his new favorite toy. Ever since that discovery, whenever Mom wears that jacket, Theo can’t resist zipping it up and down!

Make sure your sound is on so you can hear the satisfying noise the zipper makes…it might explain why he loves it so much. And as a bonus, his adorable expression afterward is guaranteed to make you smile!

Aww! He was so proud of himself! Theo’s mom said in the caption, “Theo discovered my zipper the other day while I was brushing him. He now wants to do ‘zippies’ all the time. I swear, Theo lives to learn new things and make up his own games.

He is so proud of his new discovery! I may need to see if I can find novelty-sized zippers for a sensory board for them to play with. I bet they would love that (at least Theo would for sure).” It would probably keep him busy for hours!

Related: Mini Horses’ ‘Bedtime Race’ Is the Cutest Thing You’ll See Today

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Sweet Reactions to Theo’s New Obsession

Like us, viewers got a kick out of how smart Theo is and enjoyed watching – and hearing – him play with the zipper on his mom’s jacket. @badgenik wasn’t wrong when they pointed out, “Every kid loves doing this!”

@etherial_calian said what Theo was probably thinking, “Mom, why didn’t you show me this toy earlier!?!?!?!?” @juliesnature added, “Literally smiled right after!” He was so excited and proud!

Commenter @dagmarcornand shared, “Theo seems to be quite proud of this trick! He’s got an expressive face!” Theo’s mom replied, “He does!! It’s to tell us when he is proud, haha!”

@beanandking shared a sweet comment, “The first reel from your page that I saw was Theo brushing his teddy bear, and I was hooked! He is such a smart guy, and I love his sense of humor and curiosity! Giant zipper is def in order!”

Here’s to hoping Mom finds those zippers; the sound will be music to our ears!

This story was originally published by PetHelpful on Feb 15, 2026, where it first appeared in the Pet News section. Add PetHelpful as a Preferred Source by clicking here.