GIANT balloons & Flash unit

Just in: a 1.5kg balloon and a 1.2kg balloon. They’re heavy, and absolutely gigantic. I had a very hard time getting my hands on these, but, success!

I have also been working on seeing if i can make a flash unit for the last 500m that a balloon comes down. My sister, being a lawyer, was whining about safety, eventhough i already have a 95dB producing piezo speaker that will be activated during the descent; and i have not yet decided the tune it will emit.. X-files? A-team?

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