Alessandro Volta’s was born on February 18th, 1775. He is known for several great discoveries, including the Voltaic Pile, which is an early type of battery. In the spirit of experimenting with electricity, I decided to check out the EX-150 by Gakken. I have used a lot of electronic learning kits, and this is by far my favorite. Gakken kits are always really well made and the EX-150 is no exception.


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The Gakken EX-System is a series of educational electronics kits produced by Gakken in the late 1970s. The kits use denshi blocks (also known as electronic blocks) to allow electronics experiments to be performed easily and safely. Over 25 years after its original release, one of the main kits from the series was reissued in Japan in 2002 and now you can get it here! Instruction Manual Included is in Japanese. English PDF Instructions available.

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In the Maker Shed: EX-150 Electronic Experimental Kit