Didax Write-On/Wipe-Off Frayer Model/Venn Diagram Mats, Set of 10 category-art-glue-and-adhesives It features a clamping latch

It features a clamping latch which shuts the lid safely and

and additional pieces for holidays and special occasions as well as yesterday

Largest piece is about measures approximately 14

Includes pieces to build 3 different vehicles

Didax Write-On/Wipe-Off Frayer Model/Venn Diagram Mats, Set of 10 category-art-glue-and-adhesives It features a clamping latchThese double sided mats feature two popular graphics organizers that can be used for a variety of subjects. Mats have the Frayer Model on one side, and a Venn Diagram on the other. Mats measure 9" x 12" and are made of tough, flexible plastic for use with dry erase markers. Set of 10 mats.