Yikes the first thing I noticed was I wasn’t sure at first glance what you were selling. As your pegs do not stand out from the ‘other’ items in the photos.
Also you might want to remove the ‘Harry Potter’ reference as Harry Potter is under Trademark to JKRowling.
You need to read on on Trademarks and Copyright abuse and what can happened to you once you get caught violating someone esle’s Trademark.
You need to make sure your very first photo is extremely clear as to what you are selling. Centre on the object and show it all. Following photo’s should show back, side, close up of details, how it can be used etc. Customers need to be able to see the item ie a peg and the design on the peg clearly without having to peer and wonder what it is you are selling.
Your tiles need some work at the moment. think what will someone type into a search bar if they want a peg for holding paper. The main word that tells you what something is should be your first or second word.
Try doing a search for your items and see what comes up.
Also measurements are very useful imperial and metric would be great. Sometimes with smaller objects as well as stating sizing’s a great tip is to show the item next to a tape measure
Hope this helps