Please note – there are many versions of “Mouse Trap” and these balls have been tested to work in the 2016 version of the game (see pictures for images of the game)
For the 2013 version (giraffe) see this other eBay item: https://www.ebay.co.uk/itm/MOUSE-TRAP-Ball-2x-Replacement-Metal-Steel-Ballbearing-BAG-Hasbro-Game-2013-/174600440264
For the 2011 version (toilet) see this other eBay item: https://www.ebay.co.uk/itm/175116847932
** Board game not included! Item is ball bearings only - other items shown for illustration only **