The best replacement for perler beads is hama beads.

The best alternatives to perler beads are rated as following:
★★★★★  hama beads
★★  pony beads

Your alternative for perler beads is not listed? Suggest!
Speaking about perler beads, one probably shouldn't forget about wax paper.

Other search terms related to perler beads and their ratings are:
★★★★★ wax paper
You have in mind a companion for perler beads and it is not yet here? Propose!



Google Trends

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perler beads
hama beads
pony beads