See the original article on MotherJones.com here

On Monday, President Obama made his annual rounds at the White House Science Fair. The event is a breeding ground for adorable interactions with kid-nerds (See 2012’s marshmallow-shooting air cannon), but his chat yesterday with five cape-wearing Girl Scouts from Oklahoma was especially magical.

The 6-year-olds from Tulsa’s Girl Scout Troup 411 were the youngest inventors selected to present at this year’s fair. Inspired by conversations with a librarian and one of the girls’ grandmas, they built a mechanical Lego contraption that can turn pages, to help patients with mobility issues read books.

The group of first graders and kindergartners explain to Obama that the device is a “prototype” that they came up with in a “brainstorming session.” One of the girls asks Obama if he’s ever had his own brainstorming session.

“I have had a couple brainstorming sessions,” replies an amused Obama. “But I didn’t come up with anything this good!”

Another girls asks what he came up with:

“I mean, I came up with things like, you know, health care. It turned out ok, but it started off with some prototypes,” the president says.

And then they all go in for a group hug. GOLD.

Suzanne Dodson, the coach of the Lego team and the mom of one of the scouts, told Tulsa World that she’s glad the girls are getting such positive attention for their project: “It really is a problem with girls, when they get to middle school, they lose confidence in their own ability to succeed in STEM (science, technology, engineering, and math)” she said. “Having this experience at young age really gives them a confidence boost.”