We’ve been bringing you the best of World Maker Faire 2015. But while we were talking to makers and filming their fantastic creations, a few bloopers crept in. Is it Maker Faire or Maker Fest? What do you do when someone in the background sings “Fire” over and over and over again during an interview? For our intrepid hosts Katie Linendoll and Sam Roberts, the solution was to bundle up the mistakes and create a blooper reel. So here you are—enjoy these outtakes from the Popular Science coverage of Maker Faire.