doggy good funr 2 to 6 players from age 8r r the jack russell is a happy bold and energetic little dog they are intelligent and assertive so if you let them take an inch thye will be happy to take a mile for that reason it is very important for jacks to have a person who is willing to be the pack leader equally contented hunting a fox or killing a sock in the living room they are very amusing characters with a boundless energy that can sometimes be overwhelmingr r to play adop