• Figure 3b. The machine’s state and movement are represented on the PDA screen held and closely monitored by the “captain,” who shouts orders to his crew: “left balloon, inflate faster!”, “propeller, go right!”,

“air cannon, shoot!”, and so forth.

• Figure 3a. Flying Machine is controlled by inflating its balloons for upward movement, a propeller for horizontal movement, air cannons aimed at dissipating clouds, and a main cannon shooting at the bombs hidden behind the clouds.

• Figure 3c. The children control various parts of the machine using the playground elements as input devices.

All images by Andrew Hieronymi except flying Machine Figures 3b, 3c, and 3e which are by Diego Diaz and Clara Boj.

• Figure 3e. The captain must anticipate the movements of the machine, then communicate effectively with the crew the necessary actions they need to accomplish given the current on-screen situation.

• Figure 3d. Every time a balloon collides with a bomb, the machine spins downward and declines in altitude.