Should I be embarrassed to use a kid's electronics lab?

http://www.radioshack.com/sm-electronics-learning-lab--pi-2102913.html

On one hand, I’m having a lot of trouble procuring the nand circuits to build things, and also most of the books seem to just show a schematic and assume the user knows where to find the parts for it and assemble them. Also, its quite a pain to solder together every single test circuit.

Have any of you used these kinds of kits?