This listing is for the Flash Card Holder Mark Making trays

It is an 18mm Border with slots around 3 of the sides (As a guide, the widest slot on the large lid is 28cm long) 
A solid 3mm base, which is ideal for gluing to the border to create an enclosed area for sand play and mark making 

The slots fit anything up to 4mm in thickness and are perfect for flash cards 
(Please note that as the border is 18mm, this may hide certain flash cards that have the writing at the bottom) 
 
This is available in both Small and large 
They are a similar size to our Trofast Flisat activity lid version, but these are made rectangular for use on a desk or floor 
Large is approx 38cmx27cm and the Small is x 26cmx19cm approx 

(We sell the flash cards in a separate listing if you would like to add to your collection) 

You get a free wooden mark making pencil and MDF flash card with each order (flash card size may vary, but will fit any of the slots)