Potentially the wrong subreddit, but how to fix this toddler laptop?

My daughter was gifted this laptop for Christmas, but even with new batteries the power does not turn on. Unfortunately the person does not have the receipt and the shop/VTech will not replace it without one.

It’s likely a long shot, but rather than throw it away I thought I’d see if there was an easy fix. I have zero clue when it comes to this kinda tech, so any help would be appreciated!

https://www.smythstoys.com/uk/en-gb/toys/pre-school-and-electronic-learning/vtech-toys/vtech-electronic-learning/vtech-toddler-tech-laptop-pink/p/223210