The best replacement for slingshot is bow.

The best alternatives to slingshot are rated as following:
★★★★★  bow
★★★★★  fastpack
★★★★  catapult
★★★  sling
★★★  bb gun
★★  sureshot
★★  bench daddy
★★  slide release
★★  strike king
★★  paintball gun
★  cabrinha
★  flipside
★  airgun
★  nike sumo
★  oss
★  bb guns
★  orcon
★  blowgun
★  pellet gun
★  slingshot oss
★  wrist rocket
★  bench shirt
  big bertha
  xnet
  tamrac velocity
  telecom
  windmill pitching
  slide stop
  cci

Your alternative for slingshot is not listed? Suggest!
Speaking about slingshot, one probably shouldn't forget about arrows.

Other search terms related to slingshot and their ratings are:
★★★★★ arrows
★ paintballs
You have in mind a companion for slingshot and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of slingshot in all years. Click on graph for more.
slingshot
bow
fastpack