Picked this up at local Smyths Toys, Leckwith, Cardiff pretty cheap i think same cost as ASDA but they never have any in stock ... looks like they have loads in store in Smyths.
Not sure if nationwide but presume so!!
Catalogue Number: G11463
Wii FitTM Plus is the exciting new add-on
for owners of the original Wii FitTM and the
perfect introduction for anyone new to the
WiiTM phenomenon. With loads of great new
games to play and features to enjoy, its a
fantastic way to get the whole family active. Includes Balance Board.