<p>Mathson had something similar to the 75-in-one electronic science lab at this site:
[Electronics</a> and Electricity Kits](<a href=“Web Page Under Construction”>Web Page Under Construction) His first kit only had 20 experiments though I think. He worked his way through them all in first or second grade as I recall. (Mind you he was pretty precocious and an excellent reader, so he was able to follow circuit diagrams.)</p>
<p>Radiosahk has something similar looking called Electronics Learning Lab. [RadioShack.com</a> - Toys & Games: Hobby projects & kits: Electronics Learning Lab](<a href=“http://www.radioshack.com/sm-electronics-learning-lab--pi-2102913.html]RadioShack.com”>http://www.radioshack.com/sm-electronics-learning-lab--pi-2102913.html)</p>