Fun rhyming and good repetition. I think the pranks are silly and simple enough for this to not seem malicious, which many people shift away from when thinking about April Fools. This will work kiddos of all ages, I think, and was easy for a read aloud storytime and a one-on -one read. The older kids liked guessing what would happen at the end, the littler kids liked the rhyming. Themes could be animals, being silly, April Fools, or rhyming.