Please use this as a guide to your testing at home before you send your product for a lab testing.
As per BS standards EN 71- 1
Orientate the toy in a position which would most likely permit the entry of the toy through the slot in template A. Place the toy in the slot so that the force on the toy is only the force due to its mass.
Determine whether the toy passes through the slot or whether any part of the toy protrudes past the base of template A.