PSA: If you’re going to get particles use the box do not buy particle packs.

TL:DR

Get coins from Web Store and Convert into this box for best value per dollar. (Based off USD)

LONG VERSION

$8 pack bundle
– 6 packs
– 4800 particles
– 600 particles per dollar spent

$10 coins converted to packs
– 9 packs
– 7200 particles (25 coins leftover)
– 720 particles per dollar spent

$40 coins converted to packs
– 39 packs
– 31,200 particles (75 coins leftover)
– 780 particles per dollar spent

$10 coins converted to box
– 1 box
– 8000 particles (75 coins leftover)
– 800 particles per dollar spent

$40 coins converted to box
– 4 boxes
– 32,000 particles (700 coins leftover)
– 800 particles per dollar spent