A quarter, a bucket filled with water, a bar of soap...and if inside, lots of towels!
Divide into two teams. Put them into two lines parallel and next to one another (about 3 feet apart) sitting down and holding hands. At the back of the line put a bucket of water with a bar of soap in it between the two lines. If this is on carpet, put a layer of towels down - the water tends to splash, then drip.
Stand at the head of the lines with a quarter in your hand. Instruct them that you are going to flip the quarter so only the first person in line can see the results. They are not to yell out how the quarter landed or even look back at their team. If the quarter lands on heads the persons in front are to squeeze the person's hand they are holding. The rest of the line is to squeeze their person's hand if their other hand is squeezed so that they can communicate to the last person in the line that the quarter is indeed heads not tails. If the last person in line has their hand squeezed then they are to try to grab the soap out of the bucket before the last person on the other team does. The person successful in retrieving the soap gets to go to the front of the line. The problem arrives however when the message is wrongly communicated to the person in back and they grab the soap only to find out that the quarter was actually tails. At that point the person in front must go to the back of the line. The first team to get their entire team forward in line (back person to front- not front to back), wins.
Optional "Grab" Items:
squeaky toy, balled up socks, Nerf toy
Discover Jonathan’s top team builders in his book about developing student leaders, “Ministry By Teenagers: Developing Leaders from Within"