TORI Roloff shared an adorable video of her son Jackson, 4, coming to the rescue as Lilah Ray, 2, worked on a cup puzzle.
The pregnant Little People, Big World star recently flaunted her long legs in a maternity photoshoot.
Tori, 30, shared a sweet sibling moment ahead of welcoming baby number three with her husband Zach Roloff.
In her first of two Instagram Stories, her youngest Lilah Ray got to work on a cup puzzle.
"I love watching her learn and try new things," the mom of soon-to-be three captioned it.
In the second, the baby brainiac got a helping hand from her older brother Jackson and the nesting puzzle came to fruition.
"Here comes brother to finish!" she wrote, adding, "Haha sis think's I'm taking a photo."
The TLC star is due to give birth in spring and has been keeping fans updated with cute posts just like this.