Nickel silver track and gray roadbed. Six sections: two each 4.5”, 2.25”, and 1.125”.
These track sections are designed to provide layout flexibility and can also be used as gap fillers in more sophisticated railroad construction.
You have copied the placement for the Product Page.
Go back to the App Embeds section, and in the Paypal Advanced Settings, paste the copied value into the Product Page field and click the 'Save' button in the top right corner.