The best replacement for charms is spells.

The best alternatives to charms are rated as following:
★★★★★  spells
★★★★  pendants
★★  cinnamon toast crunch
★★  pandora
★★  cheerios
★★  beads
★★  frosted flakes
★★  honey nut cheerios
★★  captain crunch
★★  fruit loops
★★  thomas sabo
★  fruity pebbles
★  trix
★  necklaces
★  count chocula
★  marshmallow mateys
  charmed memories
  incanto shine
  transfiguration
  pandora charms

Your alternative for charms is not listed? Suggest!
Speaking about charms, one probably shouldn't forget about lobster clasp.

Other search terms related to charms and their ratings are:
★★★★★ lobster clasp
★★ rainbow loom
★ memory wire
★ rubber bands
lobster clasp on a charm bracelet
You have in mind a companion for charms and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of charms in all years. Click on graph for more.
charms
spells
pendants