UK Logic 5 and Japanese Pythaugoras:
Different box for Comp IV:
Milton Bradley Comp IV (1977, LED, 9 Volt, Model# 4751)
Also known as Logic 5 (U.K. release), released by Takara as Pythaligoras in Japan.
Manual in PDF format available. (for Comp IV)
UK Logic 5 and Japanese Pythaugoras:
Different box for Comp IV:
Do I have this? Yes, Comp IV complete (top pic is mine).