Wilko 4 tier mini greenhouse h:1470mm, w:690mm, d:490mm - £12.00
Excellent as staging inside a full sized green house, or at a pot stand.
Until it gets windy. :-X ;D ;D ;D
Morrisons have some for 11 quid, not sure if 3 or 4 tier.
Well if you will eat baked beans in yours, what d'you expect. :-X
(I use mine without the covers on. )
we used one inside the greenhouse last year,worked a treat to kick the season off,then outside once things warmed up a bit and it was less windy