STEP 1: Remove all the edging and set to one side. (Please note there are 2 spare edge pieces in every standard pack)

There are two types of edge pieces- they look like this:

STEP 2 -Separate the tiles into A and B tiles - each pack contains 6 tiles with 3 x A tiles, and 3 x B tiles 

STEP 3 - Choose a layout- there are various possibilities, here are some examples:

Toddlekind Nordic Playmat assembly guideToddlekind Nordic Playmat for baby

STEP 4-  Add the edging.

Nordic Baby Playmat assembly guide

STEP 5-Assemble multiple mats

If you choose you can join multiple mats together, simply remove the edging bonding and attach together.