According to the Lego Shop At Home website, these are versatile playmats that use Lego bricks to put the playmats together. They also call them laminated double-sided cardboard. I was really skeptical that these would be cool, but they are actually a smart system. If you build cities and tale them down often these are perfect for you. But why are you reading my description? You could be watching the video!
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These are features listed on Lego's website:
Features 5 laminated, double-sided, cardboard playmat pieces with LEGO® City scenery.
Build and display your LEGO® City models.
Combines with the 40170 LEGO® City Build My City Accessory Set for even more fun!
Each playmat piece measures over 9” (25cm) square.
