Rainbow Bath Bombs Bring some magic to bath time with these Rainbow Bath Bombs. Their fruity, tropical scent will transcend you to a place of pure relaxation that’ll makes even unicorns jealous! This gift set is perfect for anyone that loves a relaxing bath. Simply drop the bomb into the bath and watch it explode into an array of colours. It makes the perfect gift for any loved one who loves a bath. The ideal birthday present or as a stocking filler for Christmas.