Lidl will have a selection of famoud building themed 3D puzzles instore from next Thursday 22/10/15 priced at £2.99 each which seems pretty good value to me.
Product Information :-
Recreate detailed 3D puzzles of some of the worlds most iconic landmarks
Simple slot-in system requires no cutting or gluing
Big Ben, Tower Bridge, Eiffel Tower, Statue of Liberty, Empire State Building or Sydney