A Coin Operated Horse in May Stadium] in Watch Dogs
This horse is located at the Food Court of the stadium
It is a form of entertainment for young kids who come to the stadium with their parents. They put a coin in the slot for a kiddie ride.
This horse is hackable - however, if you try to hack it during the mission Bottom of the Eighth during the Blackout, you will get an access denied message since ctOS connection unavailable during Blackout.