This Cute Video and Extremely Catchy Melody Teaches Shape names from Triangle to Decagon. It's a great Math Lesson Supplement, English Class Song or for Fun at Home. Our Famous Busy Beavers Videos "Edutain" Young Learners with Colorful Animation and Cute Characters while the Rhythm & Repetition of the Songs and Chants introduce new Vocabulary and offer plenty of chances for kids to practice along themselves. Can you Learn and Have Fun at the Same Time? Absolutely! Busy Beavers Videos are Proof of that Fact.