I see Gakken Electronics EX150 Denshi Block, I upvote! https://www.are.na/block/27428352 https://www.are.na/block/27428352 This was the first 'transparent' el

I see Gakken Electronics EX150 Denshi Block, I upvote! https://www.are.na/block/27428352 https://www.are.na/block/27428352 This was the first 'transparent' electronics device I ever owned, back in the 70's .. it was always quite important to see the component in the Denshi block, a very nice touch. I think in this case, the transparency actually had a function - unlike many of the other cases.