During a trip to the beach, Arthur enters a sand castle building contest. Help him and The Brain build the greatest sand castle ever and win first prize! Watch out, though–it’s not as simple as it seems…Create a winning castle!Follow a diagram or design your own!Find the wayHelp Arthur cross the hot sand!Build-a-castle machineCollect parts for The Brain’s special castle-building machine.Four different activities.Three levels of difficulty.Step-by-step guides help kids build castles.Print out a newspaper story about your own unique sand castle.