Speedstacks.com is the leader in sport stacking and the offical cups of the wssa (world sport stacking association) these are the only cups that can be used in wssa competitions in which offical records are set. Current world records for sport stacking can be found at worldsportstackingassociation.org
You can buy speed stacks at Argos in the cup section
Speed Stacks can be purchased from Speedstacks.com They are no longer in Targets and WalMarts
target does not have speed stack in 2012
You can buy them online at Speed Stacks Official Website or Amazon, and in the UK in Toys 'R' Us.
They do not sell speed stacks in retail stores anymore,your ganna have to buy it from a yardsale or a person that is no longer using it.
you can buy it from www.speedstacks.com which is official website for the speed stacks
You can get Speed Stacks equipment Malaysia in : http//:speedstacks.com.my
speed stacks was invented in the early 1980s.