Robot Hand

How to make this robot hand 

you need

• flexible conduits
• piece of cardboard
• reel of thread
• straws
• scissor
• five rings
• long ruler   

First you have to draw the shape of your hand in the cardboard.then cut it out .next take the flexible conduit and cut five fingers according to the size of your fingers .add joints so that it would bend.fix the pieces as the fingers of your hand.glue them.tie the pieces  of thread at the top of the fingers.take the thread through the fingers and through the fingers.fix them in the cardboard.fix the ruler as shown in the picture.then fix the ring other end of the thread.