A jar of dry beans or a piggy bank.
I can think of no household item that is 1mm long. It would be very difficult to pick up and manipulate.
Mini Recycling Toy
A kilometer is a unit of measurement for distance and not a household item.
what household item is the shaped like a pyramid
Yes Plus Fabric Softener is a household item. Yodora Deodorant is a household item. Yellow peppers are a household item.
gumdrops,marshmallows,pipe cleaners
A U.S. nickel weighs 5 grams, so you would need four nickels to equal 20 grams. Therefore, a U.S. nickel would be the closest household item in weight to 21 grams.
Table salt (sodium chloride) is a household item that is made from chlorine and sodium.
A bag of flour or sugar is a common household item that is around 5 pounds in weight.
now
...appliance?
Yes