Before Telstar, there was Echo 1. It was a shiny ball that bounced radio signals.
Dad worked for Bell labs that was involved with its development, and he brought me a piece of the fabric that was the skin of the satellite. He dared me to tear it.
I worked on it for three days, but finally succeeded!
https://www.youtube.com/watch?v=hBUXLmLzxxg
I remember seeing Echo I in the sky one night. I must have been in grade school.