[el_benhameen]

Thank you for sharing this. I’m going to show it to my 6 year old and he’s going to lose his mind. Great way to make use of my massive box of childhood legos and empty summer hours.

[bombcar]

There is/was a website where you could upload all your parts and it would tell you what you could build.

[dunham]

There is a app for that too, which works off of a photo of your parts: https://brickit.app/

[tspike]

Rebrickable. Very much still alive.