Rollover Dog Toy, Pet or Clap Hands to Activate! Rollover Dog Toy, Pet or Clap Hands to Activate! You will have a blast with the rollover dog toy for all kids, is activated by petting the dog or clapping your hands. When you pet the dog or clap your hands once in a second then it will roll to the left. When you pet the dog or clap your hands twice in a second then it will roll to the left. The perfect gift for any child or dog lover!!