Penny and Benny are for once united in their efforts to hide their toys from Cousin Bo, who destroys all toys and seems unable to play nicely. Benny and Penny hide every toy and tell Cousin Bo he can't play with them. Will the three mice find a way to play without something getting torn, ripped, or snatched away? Bestselling author Geoffrey Hayes thrills us with this hilarious tale of tiny cousins who discover a game that can't ever be ruined.