These are some things that come in doubles.
Mittens, eyes, feet, ears, eyebrows, shoes, arms, top front teeth, hands on a clock, couples, hamburger buns, fins on a fish, and wings.
I am not going to give every single double I know.
Arms, legs.
Soda comes in groups of 6
Twins Marshmallow can batteries bike tires pedals for a bike mom and dad
dogs
Pennies
states
hands,legs,eyes,earings,ears,pajamas,earasers,pencils,mittens,socks and shoes.
what comes in groups of 12
rugby teams
Case of beer
gaggle of geese
Inches in a foot