Please note – there are many versions of “Mouse Trap” and these balls have been tested to work in the 2013 version of the game (see pictures for images of the game)
For the 2016 version (green
diver figure “jumping man”) see this other eBay item: https://www.ebay.co.uk/itm/MOUSE-TRAP-Ball-2x-Replacement-Metal-Steel-Ballbearing-BAG-Hasbro-Game-2016-/174697405557
For the 2011 version (toilet) see this other eBay item: https://www.ebay.co.uk/itm/175116847932