MAKE A ROBOTIC ARM
What will you pick up with your homemade mechanical arm?
KIT LIST
A large piece of cardboard Ruler Scissors Five plastic straws Strong glue String
SEND YOUR IDEAS TO: HOW IT WORKS MAGAZINE @HOWITWORKSMAG HOWITWORKS@FUTURENET.COM HOWITWORKSMAG
1 CRAFT THE HAND
First, trace around your hand so that the shape is to scale. Then make the edges more square and the shape slightly larger before cutting out the hand. Make sure you leave a long piece of cardboard extending from the wrist, like an arm.