Hot answers tagged building
There are some BrickLink stores that operate in South Africa. You should be able to get from them whatever you need. Here is the list of stores: http://www.bricklink.com/browseStores.asp?countryID=ZA
I'd say a 4265a on a 3649 are among the hardest to separate. But a 3647 is more painful due to the teeth http://rebrickable.com/parts/3749 http://rebrickable.com/parts/4265a http://rebrickable.com/parts/3647
The Brick Separator can be employed successfully in a majority of cases where bricks are stuck together. The hardest thing to remove I believe is Technic pins 4459 wherever used. See separate question.
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