A new hype which was shown on TV and now accompanies with ads in the train is a Study book for children.
How to motivate kids to study the Chinese Characters, Kanji? Obviously うんこ, feces, bowel movement, or whatever you want to call it.
https://unkokanji.com/ is the website which promotes the books and has several examples of sentences to remember the Kanji.
Does not work for me, but definitely caught the attention of the media