Book of Unwritten Tales 2 (Waterwheel for Electricity - gamebreaking) - combine wheel, tape, plates. add wheel to water slot. start water, add inflated balloon type thing.

Book of Unwritten Tales 2 (record headmasters voice - gamebreaking) - do not do maths problem until you have the other 3 number first.

Book of Unwritten Tales 2 (constructor - gamebreaking) - do not leave coal puzzle for last.