1 weight 6 ping pongs with another 6 ping pongs. see which side is heaviertvb now,tvbnow,bttvb* R& J, H0 E: a$ g/ P; `2 O. K
2 spilt the heavier side ping pongs in half and weight against each other% b" y6 j( ~5 O: `, N
3 weiht either ping pongs one on one then you will know which is the heavy one. |