IKEA whiteboard markers do not smudge the otherwise highly soluble ink! Staedtler markers for comparison. They bleed through the paper though. Are all whiteboard markers as well behaved over water based inks
Ikea Mala Portable Drawing Case | Ikea Mala Felt Tip Pens | Unboxing and Review - YouTube
IKEA MÅLA magnetic holder/bracket by sonson77 | Download free STL model | Printables.com