The Lego bird was created by me and my partner in our ICT lesson. To make the bird we had to use cogs and gears to make the bird sing and tweet and of course... we had technical difficulties with figuring out what we were meant to do with it. If I had a favourite part, it would be building it because you can have fun and try different things whereas when your programming , get one coordinate wrong , the whole thing is ruined. I give this mechanism an 8/10 because it doesn't move, you have to move it yourself but it just makes noise. Boring. but it is a fantastic and relaxing sound. Fun.