Items needed a ballpoint pen, from which you have removed the spring I'm sure everyone knows what this is. Yes, it is a ballpoint pen. What do you think the most important part of this pen is? Many of you said the "ink", that is a common answer. Let's see how useful this ballpoint pen […]

Items needed a staircase (maybe the steps onto the stage in your building) Have your class or family stand at the bottom of a staircase and you are at the top. Challenge any one of them to find a way to get to the top of the stairs without touching the stairs or the rails […]