With 2 yr olds, pick your battles

Ben: Mommy... you do dis for me? (presenting me with a broken toy)
Mommy: Baby, it doesn't work, you broke it when you put the wrong ball in there.
Ben: No issss not
Mommy: Yes it is
Ben: No
Mommy: Yes
Ben: No
Mommy: Yes
Ben: No
Mommy: Yes
Ben: No
Mommy: Yes (Now I am just playing to see who will break first)
Ben: No
Mommy: Yes
Ben: No
Mommy: (Giving in) Do you see this ball... it will not come out, so the toy is broken
Ben: It will come out (struggles, trying to get ball out) HEY, Mommy, why you put dat ball in dere... now is broken!!!!

He walks off in a huff with broken toy....