Levels 1-3: https://scratch.mit.edu/projects/360694338/ Levels 4-6: https://scratch.mit.edu/projects/360758829/ Levels 7-8: https://scratch.mit.edu/projects/360759191/ Levels 9-13: https://scratch.mit.edu/projects/360760032/ Levels 14-15: https://scratch.mit.edu/projects/360760913/ Levels 16-21: https://scratch.mit.edu/projects/360761472/
