Playgrounds are meant to stimulate play, but most are designed based on grown-ups’ notions of children and how they should behave. With Play Contract, the balance of power is tipped, and now it’s the children’s turn to devise a playful space for themselves and grown-ups. A group of 122 children in Billund, Denmark was given 100,000 pink LEGO bricks to build models for playgrounds. These models were then analyzed and synthesized into five final designs, which were constructed in pink marble. The result is a collage of adventurous ideas and whimsical shapes that have been transformed into Play Contract.