The Rainbow Smash pickaxe is an Epic Fortnite pickaxe. Rainbow Smash was available via the Item Shop for 1500 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Rainbow Smash Skin Details
Beat the stuffing out of 'em.
Fortnite Rainbow Smash Skin PNG Images
Here is the PNG images of Rainbow Smash below!