Build a contraption that will FLING a tennis ball 15 feet or more to a target. $5 entree fee. Cash prize for farthest target hit, second, third and most aesthetic will also win prizes. Starting at 2 pm in the south side of the field across from Kearny.
There are some rules however;
Don’ts: air power, pneumatic devices, combustion or chemical power.
Do's: The device must fit in a 2' by 2' by 3' area at rest. Electric motors are OK, but you will need to use batteries and everything must fit within the dimensions. Only the tennis ball can leave the flinging point. You will get three tries at each distance to hit the target; you may make adjustments between each try.