CD4021 - all Q's "pulled down" , still a value...?

That decoupling capacator across the chip HAS to be a ceramic type for it to work. That photograph shows it is not a ceramic type.

Grumpy_Mike:
That decoupling capacator across the chip HAS to be a ceramic type for it to work. That photograph shows it is not a ceramic type.

Ugh, really? I wrote "CERAMIC!" next to it on the little paper i gave to the shop owner...
damn, my noob-ness cost me a euro...
So that would be the "104" , right? (checked some ceramic cap online now)

So that would be the "104" , right?]So that would be the "104" , right?

Yes.
The last figure is the number of zeros to add to the two digit number on the right and the value is in pF, so giving 10 followed by four zeros.

100,000 is 100nF or 0.1uF

Look at the picture of the ceramic capacitor here:-
http://www.thebox.myzen.co.uk/Tutorial/De-coupling.html Note the picture is for a 0.01uF capacitor

A 0.1uF capacitor should cost less than £0.05