I suggest to buy them at EB GAMESTOP because if your a Platinum Edge or Onyx member you can save 10% for Platinum and 15% for Onyx and it won't cost you too much compared to getting the bundle set at Walmart.ca $129.97 for all 4 but if you have the Shredder like me you only need 3 out of 4
https://www.walmart.ca/en/ip/teenage.../6000206059988