Super wrote
I don't have a phone like the rest of the world...in the photo below a small card also came in the box that I don't know what its for. Is it scan-able from an image like this? If so, what might this say?

You'll find the same thing on the inner end flap of any recent Plarail box.
The QR code leads to www.takaratomyfans.com
..you can read it yourself without a phone by using a PC with a webcam and an online scanner, for instance https://qrcodescan.in/
The text reads and translates as follows:
商品アンケート実施中
Product survey in progress
お答えいただいた方に
景品をプレゼント!
※詳細はWebサイト
をで覧ください。
To those who answered
Get a free gift!
- For details, see the website
Please see at.
www.takaratomyfans.com
お客様IDナンバー GMKLXTTRP
JANコードナンバー 4904810211273
Customer ID number
JAN code number
JAN (Japanese Article Numbering) is another name for the EAN-13 barcode.
4904810211273 is the barcode for the Dinosaur Train product, you'll see it used for example at:
https://www.1999.co.jp/eng/10871410
The Customer ID is not unique, mine is the same as yours.
www.takaratomyfans.com is geo-blocked, you'll need a VPN to get into it. I might try later.