Kylie Jenner took to Instagram on Tuesday to document the adorable moment her 3-year-old daughter, Stormi, received a yellow school bus as a gift from her father, Travis Scott.

"All Stormi has been talking about is riding a big yellow bus. Daddy surprised her," Jenner wrote alongside a photo that showed Stormi touching the yellow bus.

The next photo on her Instagram Story showed Stormi standing on the aisle of the empty bus. The third one showed the girl staring at the front seat of the bus.

Jenner did not explain how Stormi became obsessed with school buses but she uploaded another photo on Instagram showing her daughter in a "Space Jam" outfit. She wrote, "favorite girl" in the caption with a blue emoji.

In the comments section, Hailey Baldwin wrote, "Cooler than anyone I know."

An insider told ET article that Jenner feels Scott has really "gone out of his way to reprove himself to her" and Stormi's bus seems to be just another example of that.

Last Friday, People reported that Jenner was expecting a second baby with 30-year-old Scott.

"Kylie and Travis are expecting their second child together. The couple is very excited to have another kid and give Stormi a sibling," a source told ET. "Kylie and Travis have talked about growing their family for a while and have always been on the same page with wanting more kids."

"Kylie loves being pregnant and enjoyed her last pregnancy out of the public eye, she wanted to be able to have some of that same experience this time -- but it was not the best kept secret! Everyone is so happy for her. She and Travis are in a great place, and this is something they talked about and really planned for," another source told the outlet.

In an Instagram live chat in April last year with her BFF Stassie Karanikolaou, Jenner said, "I want seven kids down the line, but not right now…The way that pregnancy is set up, it's not a joke; it's a serious thing and it's hard. I'm not ready for that right now."

Travis scott kylie jenner
Travis Scott and Kylie Jenner attend the Travis Scott: "Look Mom I Can Fly" Los Angeles Premiere at The Barker Hanger on Aug. 27, 2019 in Santa Monica, California. Tommaso Boddi/Getty Images for Netflix