Socialization is crucial for puppies.
By the time a puppy is seven weeks old he/she should have:
Been on 7 different types of surfaces: carpet, concrete, wood, vinyl, grass, dirt, gravel, wood chips.
Played with 7 different types of objects: big balls, small balls, soft fabric toys, fuzzy toys, squeaky toys, paper of cardboard items, metal items, sticks or hose pieces.
Been in 7 different locations: front yard, back yard, basement, kitchen, car, garage, laundry room, bathroom
Met and played with 7 new people: include children and older adults, someone walking with a cane or stick, someone in a wheelchair or walker.
Been exposed to 7 challenges: climb on a box, climb off a box, go through a tunnel, climb steps, go down steps, climb over obstacles, play hide and seek, in and out of a doorway with a step up or down, run around a fence.
Eaten from 7 different containers; metal, plastic, cardboard, paper, china, pie plate, frying pan.
Eaten in 7 different locations: crate, yard, kitchen, basement, laundry room, living room, bathroom.