At a store that deals with that brand of blowgun.
Its called dart. Blowgun dart, for sure!
No.
Unless you buy them used from somewhere like eBay or craigslist, no, you cannot buy guitar hero drums separately.
Really, you Can not
it isn't is dangerous
blowgun
Plumb them in a series, the "out" from the 1st valve to the "in" of the second valve then the "out" from the second valve to return.
Buy the bundle because its not that expensive.
yes, you buy them separately
yes but you would probably have to buy them used
No there is not, you have to buy one separately.
ket