My son mixed up 7 sets of Thomas and Friends puzzles and solved them by himself. (98 pieces).

Doh De Oh by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Source: http://incompetech.com/music/royalty...
Artist: http://incompetech.com/

Santo Rico by Twin Musicom is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Artist: http://www.twinmusicom.org/'>http://www.twinmusicom.org/

Happy Boy End Theme by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Source: http://incompetech.com/music/royalty...
Artist: http://incompetech.com/Artist: http://www.twinmusicom.org/'>http://www.twinmusicom.org/