Hi, if i buy c1422m street cruiser, for example, can i add the spark plug dongles at a later stage to use on same track ? Im buying for 5 and 7 year old sons and wondering if we could play as family of 4 if we had 2 dongles and 2 hand controllers ? I dont want to spend too much considering they dont have devices so thinking of buying analogue now and then as they grow older, they may want to use the devices and obviously if myself and hubby want to join in and play altogether ! anything else needed as a start up?
