Ryan gets to work in the Children's Museum of the Arts.

The artists are only allowed to use kid-friendly materials in the challenge.

Thanks to the kid-friendly decor, Abdi, Nicole, and Jaclyn look like giants.

Jaclyn reveals that she was very withdrawn as a child, and is having a difficult time tackling the children's art challenge.

Nicole shares that her twin sister works with children as an art therapist.

Miles spends some time with his piece.

The artists are surprised that their field trip lands them in Soho, at the Children's Museum of the Arts.

Simon comments that he's "slightly unimpressed" with the progress the artists have made during day one of the challenge.

Ryan's approach to the challenge it to try to draw as a child.

Mark's ballin' out!

The judges prepare for the gallery viewing of the artists' childhood-inspired work.

Jaclyn explains her interest in making ink-blot paintings as a child, which inspired her piece.

Judges Bill Powers and China Chow apprise the work.

Jerry and guest judge Will Cotton flip through Mark's book.

Gallery spectators admire Peregrine's subversive installation.

Miles explains his work to one of the gallery spectators.

Gallery spectators check out Mark's work, which was made in comic book style, representing the various things that inspired Mark as a child.

Mentor Simon de Pury still looks a bit concerned about Ryan's work.

Jerry and Will Cotton record their thoughts on the art.

Abdi describes his work as a piece about the role of the artist.

Nicole explains her use of Styrofoam plates to represent the sandwiching of little vignettes she recalls from childhood.

China and Bill take in Jaclyn's tree painting.

Peregrine remarks that Miles' work looks like a game of Tetris.

Bill Powers and Will Cotton confer over the work.

Bill Powers, China Chow, and Jerry Saltz are joined this week by guest judge and painter, Will Cotton, known for his surreal candy landscapes.

The artists are ready to present their childhood-inspired works.

For Ryan's work, he explains how he attempted to get into the mindset of a child to express his relationship with his mother.

Peregrine tries to evoke the childhood memories that inspired her to become an artist, and recalls the sex and drug infused culture she associates with growing up in San Francisco.

Jaclyn describes her love of climbing trees as a child, which inspired her piece. She explains her use of pipe cleaners as a method of adding whimsy to the work.

Abdi discusses the various images that inspired his future art career.

Nicole describes her work, which is layered like her childhood memories.

The judges deliberate about the fine line between creating something that evokes a childhood memory and creating an amateur piece.

Nicole congratulates Peregrine on her win.

This week's bottom three contestants, Jaclyn, Abdi, and Ryan, await their fate in the competition.