Thomas Poulsom is a hobbyist LEGO builder best known for his models of birds. But making birds out of bricks isn't easy. That’s why he uses special pieces to sculpt something entirely different — like when minifigure carrots became a puffin’s legs. A unique piece called a “snot brick” allows him to build in any direction, making it possible to make a round object out of square LEGO bricks. More info and transcript at BirdNote.org. Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.