Theme :Castle Seige

Rules: Build a castle from Legos or a building material of your choice.  
Build a catapult from Legos
Make small balls from aluminum foil

Does your catapult work at launching the foil projectiles?
How far and high did the foil projectiles fly?
Was your castle protected from the seige or did the opposition win the battle?

Winner based on the answers to the above questions.  Don't forget to send photos to info@northamptonapl.org!

Good Luck!