The classroom overhead projector. Some of these were still in use last school year when I retired from the teaching profession. I had only had mine out of the classroom for a year, when I went exclusively with the smartboard and the E.
I would buy this for my kids these days. Bring back the Simon! ~Toys From The - Bing Images - OMG my kids used to play this endlessly. It got very intense trying to repeat recorded hand beats which got progressively faster.
Retro-Fisher Price Chatter Telephone and thousands more of the very best toys at Fat Brain Toys. Today's Chatter Telephone makes children smile just the same with eyes that roll up and down, and a dial that rings.