Launcher X Registration Key Please How Do You Make A Ping Pong Ball Launcher Out Of Cardboard?

How do you make a Ping Pong Ball launcher out of cardboard? - launcher x registration key please

I create a launcher, ping-pong with two pieces of cardboard 8 "x 8", two tubes of paper towel, cardboard, Popsicle sticks 10, 10 paper clips, rubber bands 10 that its length is 4 points without stretching and a ping-pong . You should be able to at least 4.5 meters, will be independent and have enough stamina for up to three times in a row. Please help?