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
states
dogs
what comes in groups of 12
Pairs come in groups of two, such as shoes, gloves, or eyes.
gaggle of geese
Inches in a foot
Pennies
scorpion legs
Case of beer