CoComelon Musical Clever BlocksSing along to your favourite CoComelon nursery rhymes with the CoComelon Musical Clever Blocks. BUILD THE BLOCKS TO HEAR THE RHYME When your child inserts the CoComelon blocks into the smart tray holder and completes any of the 6 CoComelon picture puzzles, they will hear a clip from one of their favourite Nursery Rhymes: 'Old MacDonald Had a Farm', 'Wheels on the Bus', 'Yes Yes Vegetables', 'Baa Baa Black Sheep', 'The Bath Song' and 'Yes Yes