caveat: you must have started the minibots game in the Action District to get this reward. You can go to the Action District and click on the MiniBots Multiplayer Event to get the personal space reward, but you don't have to actually play.
It was probably just a delay in receiving the reward, as I never started the mini bots game and still got the personal space soon after entering Home in the Hub. I also tested it on an alt account and it also got the personal space without ever starting the mini bots game.
This is also available in EU Home by entering the Action District space.
Make sure you visit the personal space for several (19) free rewards
For EU accounts, you will get the 19 rewards at the same time as you get the personal space, so just stay in the Action District until your HDD symbol goes away... Or just check your rewards menu to make sure you got everything.
BTW: In the MiniBots Training Facility space is an Armory room where you can purchase additional items, clothes, etc. However, you must first purchase Juggernaut Coins... Much like Lockwood's gift machine and the Casino chips, you get a discount for purchasing more coins.
$1 for 10 coins ($.10 per)
$5 for 60 coins ($.083 per)
$11 for 150 coins ($.073 per)
$24 for 350 coins ($.069 per)
You really don't get much of a discount between the $5 and $11 options, and an even smaller discount between the $11 and $24 options, so unless you know for sure you are going to spend a lot of coins, you are probably better off purchasing the $5 options if at all.
From what I can tell the typical price conversions for these items is as follows:
Weapons (hand items) cost 10 coins ($1-$.69)
Decorations (hats, masks, glasses, etc) cost 8 coins ($.80-$55)
Battlefield Effects (ornaments and flooring) cost 5 coins ($.50-$.35)
Furniture (ornaments, flooring, wall art) cost 3 coins ($.30-$21)