Sewing School: He Huffed and He Puffed. - Fairy tales and Engineering - Three Little Pigs activity - literature connection. Build "houses" out of different materials and see if "The Big Bad Wolf" hair dryer can blow them down.
Great science activity for Early Years or Year 1, have a look at this Blog for more details. Which materials will stop Humpty Dumpty breaking when he falls off the wall? Lots of opportunities for prediction and discussion