Ah yes, as Kayleigh writes, it would be good if walking/running was turned off by default - Or if the range was at least the lowest possible.
For me, the prim around a box has never worked. -I am not sure why. I have tried everything, from a single hollowed prim and down to completely surrounding a box with prims on all sides, and made 100% sure that the prims overlap - and yet the kitten escapes.
Of course, this matters less if the time to unbox a kitten is cut down to 5 minutes, as it would then be much more bearable to just stand around and wait so we could "catch" it as it comes out, before it runs away. -But still... I am sure a lot of "I lost my kitten!"-tickets could be avoided if the lil' ones would stay put instead of run on adventures the moment they are born