10,000 ants look like a small heap about the size of a tennis ball. You can see them pictured here next to a US quarter, a golf ball, and a teaspoon for scale.
Nobody has photographed 10,000 ants yet.
Piled up, they fill
and weigh 1.41 oz (40 g)
about the size of a tennis ball
Size and weight estimated by AI from typical values. Sizes and weights are typical for an adult or standard ant; real ones vary.