When the judges think that Matthew’s sand house is real, he has to prove to them that it is just a big pile of sand so he can win the ice cream grand prize.

• ISBN: 9781442061576
• Author: Munsch, Robert
• Illustrator: Martchenko, Michael
• Published: 2009 , Paw Prints
• Themes: boys, Contests
• Descriptors: Canada, Early Years (ages 2-6), Picture Book
• No. of pages: 32