[rda2]

Found a site with a lot more manuals, if anyone needs their memory jogged.

https://radioshackcatalogs.com/science_fair_kits.htm

I had the 130-in-1. Yesterday, I was thinking about it for probably the first time in 20+ years - what a coincidence that this link popped up today. I was a bit too young to actually learn much from it beyond the basics, but I remember having a lot of fun with #85, the "Falling Bomb Sound".