As per title, what’s the best worst present I could buy for under 100 dollars?
How old are they? As that will completely change what presents fit your criteria.
superglue the money to birthday card
Pennies. Individually wrapped.
Funny story, my uncle did something similar once as a gag gift for me and my siblings. He gave us each a wad of industrial shrink wrap (the kind used to wrap heavy machinery like boats for storage) with like $100 in coins inside. He had actually heat-gunned it to stick it all together. We had to spend the next day pulling it apart to get all the loonies and toonies out
Live insects. A quick amazon search indicates that you could buy 2,000 live crickets or 27,000 live ladybugs.
I start jumping off walls if I see a single roach. If I got a thousand roaches flying in my face I’d surely burn myself alive.
A glitterbomb and a donation to something they really don’t like. A stripper of the gender they’re not interested in. If they’re italian, throw in a square-shaped pineapple pizza, too.