Q: What is Crazy Comparisons?

A free size-estimation quiz with a slot machine. Spin to reveal fun comparison questions, then pick the closest answer from four choices.

Q: Is it free?

Yes, completely free. No account needed, no ads, no paywalls.

Q: What skills does it teach?

Estimation skills, number sense, and Fermi reasoning - the ability to make educated guesses about quantities you've never measured.