I made this for my students a while ago, approximating π with similar ideas: https://lee-phillips.org/pidaydarts/ https://lee-phillips.org/pidaydarts/ I think

I made this for my students a while ago, approximating π with similar ideas: https://lee-phillips.org/pidaydarts/ https://lee-phillips.org/pidaydarts/ I think it was my first Svelte application. We did the paper airplane version in class, which was fun.