STEM Challenge 2020

Great question! We will consider the large sticks equal to two small sticks. Instead of using 10 smalls, you may use 5 large craft sticks, or a combination of the two. Example, 2 large + 6 small = 10 total.

Yes, you may also cut and alter the 12″x 12″ cardboard for your devise. Remember, the device still needs to be freestanding and cannot be taped to the floor or any other object not on the materials list. You can tape the devise to the cardboard, if you choose to.

No, flex tape may not be used. The only types of tape you may use are duct tape, clear scotch tape (classroom size), and masking tape (3/4″ classroom size).

No, the ping pong ball cannot be cut, taped, painted, or otherwise changed in any way.

No, all of the components of your device must be at least two feet away when launched. No part of the device may extend closer than 24″ at any point.

Each pencil is 1 point. The values for materials are the unit rate- per one item. So 3 rubber bands would cost 6 points.

No, only materials on the materials list and items to assist page may be used.

Yes, you can trim down cups so they are the appropriate size- 2-3 ounces.