If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Ebul the dragon and his birdie friend have made an emergency landing with their little airplane, and this wasn't really a big success. The plane broke into two pieces. Inventive as they are, they go and search for items to repair their plane with. Could you lend them a hand?
W, A, D - Move.
Mouse - Choose the blocks.
Spacebar - Set the block.