Children like the Wiggles because they dress in bright colors and sing catchy songs with lyrics and motions that are easy and fun for a child to imitate.
Children like the Wiggles for a variety of reasons, but probabaly the #1 reason is because they think it is so funny to see all these grown men acting silly.
The Wiggles are a funny group of adults that entertain children. They sing silly songs and they dance silly. The Wiggles teach children things by singing and dancing and keeping them laughing all the time.
