YOU WILL NEED • Spaghetti • Marshmallows • Metre sticks HOW TO DO IT 1) Create a firm foundation for your structure by doubling up spaghetti and using pyramid shapes. 2) Build up the structure, making sure it narrows at the top. 3) Measure your tower to see how tall it is! MARSHMALLOW CHALLENGE What’s the tallest structure you can make with spaghetti and marshmallows? INVESTIGATE Now try to create a different structure like a house or bridge. Research how skyscrapers are constructed. WHAT IS HAPPENING? A successful tower will probably have a tripod or pyramid shaped base. Doubling up strands of spaghetti helps to strengthen the structure. Digging the spaghetti deeper into the marshmallow provides more grip. Civil engineers are often tasked with creating tall towers and must think carefully about their shape.