Game and Watch price query

[dfq23]

Clearing out some old stuff and came across the following:

Boxed Donkey Kong multi screen Game and Watch (machine in mint condition, box fair to good, complete with all paperwork and polystyrene insert)
Boxed Octupus Game and Watch (machine mint, complete with all paper work, polystyrene inserts and plastic bag. box very good for age)
Boxed Grandtand Mini Munchman (mint, box very good for age, complete with inserts, paperwork, plastic bag, advert for other Grandstand games and warranty card)

Anyone know what they might be worth?? Had a look on Ebay but none seem to be in as good condition as these

[DeathAdder]

I'd say about twenty five to thirty quid for the GAWs if the condition is very good. Is it the orange Donkey Kong? Perhaps about 2 quid less if it is - the brown one is slightly less common than the orange one. No idea re the other one.

ETA by the way, you might get more and better replies on the valuation thread in the Ask the Forum board.