This is a new Base for the Harry Potter Figures which can be bought from the Shop “Action” : https://www.action.com/de-de/p/3012506/harry-potter-figur/
The base is designed that the Figure can be used as a Tonie for the Toniebox
Magnets that were used: https://www.amazon.de/dp/B093YJMC5P?psc=1&ref=ppx_yo2ov_dt_b_product_details