Inside Kim Kardashian’s unbelievable dinosaur party for Saint’s 4th birthday as she builds Jurassic Park in her garden

KIM Kardashian and Kanye Went went all out for son Saint’s 4th birthday with an unbelievably detailed Jurassic Park -themed party.

The KUWTK star, 39, took to Instagram to give fans a glimpse inside the dino bash complete with dinosaur models, a fossil digging station and a ball pit.

Kim and Kanye gave fans a glimpse inside Saint's 4th birthday on Instagram — Kim and Kanye gave fans a glimpse inside Saint’s 4th birthday on InstagramCredit: Instagram

Aunt Khloe also turned up with one-year-old daughter True, who was spotted making the most of the bouncy castle.

Meanwhile, the birthday boy, who was wearing a camouflaged vest with a neon orange top, enjoyed the garden party.

The youngster was joined by siblings North, six, Chicago, one, and six-month-old Psalm.

Kim shared a string of videos from inside the event.

The famous family indulged on a giant rainbow cake at the bashCredit: Instagram

The 4-year-old was treated to a dinosaur themed birthday partyCredit: Instagram

The birthday boy made the most of his big dayCredit: Instagram

The event was complete with a Raptor juice stationCredit: Instagram

True, Chicago and Saint had fun on the bouncy castleCredit: Instagram

Party-goers were in for a fright with a giant dinosaur headCredit: Instagram

Showing off the entrance of the party, Kim announced: “Welcome to Saint’s dinosaur party.”

Making her way around the bash, the mum-of-four gave fans a tour of the backyard as she showed off a giant dinosaur head and juice station.

The famous family indulged on a giant rainbow cake, dinosaur printed cookies and cake pops.

While Kanye, 42, went all out by kindly gifting party-goers Yeezy Sliders as party favours.

Kanye gifted party-goers his Yeezy slidersCredit: Instagram

Kim ensured all the kids were having fun at the fossil digging pitCredit: Instagram

North was wearing Kim's lounge wear design — North was wearing Kim’s lounge wear designCredit: Instagram

The family hosted the event in their gardenCredit: Instagram

Kim took to Instagram to share a touching message for Saint's birthday — Kim took to Instagram to share a touching message for Saint’s birthdayCredit: Instagram/kimkardashian

Earlier this week, Kim marked Saint’s birthday with a touching Instagram post.

Alongside a picture of the youngster smiling, she wrote: “I have no words to describe how much I love your smile and those curls of yours Saint! You bring so much joy into my soul.

“You are so kind, loving and just so thoughtful and sweet! I am so happy today if your 4th birthday and We get to celebrate how much you’ve grown!

“Happy birthday my sweet sweet Sainty. (When I say to him my sweet sweet Sainty, he says back to me my sweet sweet sweet sweet Momma, the best momma in the world and the only momma I ever want! HOW CAN YOU NOT MELT AT HIS SWEETNESS).”