DIY LF oscilloscope

One of the most interesting Do It Yourself kits I saw recently is digital oscilloscope with a 2.4 inch color TFT display. The scope can show signals up to a frequency of around 200 kHz.
The price is amazing: 21 euroos...

All the ins and outs can be found via this link.

http://www.banggood.com/DIY-Digital-Oscilloscope-Kit-Electronic-Learning-Kit-p-969762.html

Another interesting gadget to identify your unspecified components:

http://www.ebay.com/itm/121309248191?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT