I was surprised at how well they shot out of a BSA Gold Star. 10 under a nickel @ a bit past 50 yards. I think they did about 17-18fpe from that gun. Just included that to illustrate that, novelty pellet or not, there's some potential for really good accuracy with them.
Novelty or not they whack squirrels pretty good out to at least 25 to 30 yards this is out of a 17.5 fpe rifle and shoot surprising well out to abut 50 yards.