Design a Robotic Arm
Design a robotic arm that can move a marble, a straw, and a washer from the table into a cup without using your hands.
- popsicle sticks
- rubber bands
- dowels or skewers
- pipe cleaners
- paper clips or brass fasteners
- washers or pennies
This design challenge may require moderate motor skills, understanding of some abstract concepts, or uncommon materials to build.