I had a clear childhood memory of when gravity temporarily vanished and we all had to duck and cover under our desks. Years later I learned how gravity worked. A few years after that I realized my memory was impossible though it felt very real. This may be the root of my trust issues…
Could you build a wood racecar like they use in the soapbox derby? I saw plans online, the kits are a couple hundred USD, but you might be able to build a cheaper one from scratch…