For their final challenge and the $100,000 prize, the remaining designers face the ultimate test: creating a cohesive three-piece collection for an iconic Los Angeles home.

Jockeying for a spot in the finals, the designers face their most ambitious challenge yet: bringing a surprise element to a multifunctional piece of high-end furniture.

After a virtual tour of Scott's new home, the designers are tasked with building a safe, beautiful, and fun outdoor play structure.

The remaining competitors work against the clock to incorporate a 3D geometric shape – from a humble cube to a 20-sided icosahedron – into a furniture design of their choice.

Ellen's wife and special guest Portia de Rossi gives the designers their next challenge: use the color, form, and general feeling of a painting from her art publishing company to inspire an original piece of furniture.

Scott Foley tasks seven talented designers handpicked by Ellen DeGeneres with their first furniture-making challenge: transforming basic raw materials into show-stopping signature pieces.