helium balloon

Examples (10)

• We bought dozens of colourful helium balloons for the children's party.
• A single red helium balloon was tied to the birthday gift.
• She watched the helium balloon float up until it was just a tiny dot in the sky.
• A helium balloon rises because the gas inside is lighter than air.
• The clown handed each child a brightly coloured helium balloon.
• By the next morning, the helium balloon had started to deflate and sink.
• Helium balloons are often used in scientific experiments to carry instruments into the atmosphere.
• How long does a typical helium balloon stay inflated?
• He accidentally let go of the string, and his helium balloon drifted away.
• The parade featured a giant character-shaped helium balloon that towered over the crowd.