Children love to play out different life scenarios.
Suggest the idea to build table and chairs to invite some friends - real friends or bear, mouse and a little frog.
Maybe something like this...
"Today the queen is coming over for a tea. There are some serious matters to discuss- how to make a world peace, how to get lots of snow for the Christmas and in which of the 151 rooms to organize the annual Gala."
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The only difference is in size.
XL is 60% from XXL block size.
XXL are 7.87x3.94x3.94in (20x10x10cm).
XL are 5.11x2.56x2.56in (13x6.5x6.5cm).