Actually, you don't get the Toy Box Takeover WITH the game. You get a Promotional Credit via email, and you have to place a new order for it. [It's free, but you don't get it shipped at the same time...]
I just got such an email a few minutes ago...
"Thank you for purchasing from Amazon.com. Your recent order [removed] entitles you to a promotional credit which we have added to your account. This credit can be applied to your next qualifying purchase.
Promotion details: Additional information on this offer can be found here. The Amazon Video Games team thanks you for purchasing "Disney Infinity 3.0 Starter Pack." Your purchase has qualified you for the "Disney Infinity 3.0 Toy Box Takeover."
How to redeem your Pre-Order Bonus (code already applied to account):
Step 1: Place "Disney Infinity 3.0 Toy Box Takeover" (http://www.amazon.com/dp/B00YZ3V1EW) in cart.
Step 2: Check out.
The promotional credit must be used by October 14, 2015. This offer is subject to Terms and Conditions. Thanks again for shopping with us. Amazon.com Earth's Biggest Selection"