"There are 4 Glow-in-the-Dark Transfers to collect … and four exciting scenes for you to collect."
Obviously, scans are not going to show you what glow-in-the-dark transfers look like when glowing in the dark — but I'm sure you can imagine it!
UPDATE: no need to imagine it; see below!

Here's what 'glow-in-the-dark' REALLY means. It looks to me as if the luminous ink layer is slightly out of register:


Original photos courtesy of josendak
Here are the other three (used) backgrounds:

Packet background scans kindly provided by Toby Driver
Picture Credit: The SPLAT Scan Archives — Toby Driver — josendak