Help needed for playmat search

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I'm not sure if I'm looking for the right thing but basically I'm after those large foam/rubber mats which small children can play on. We've got a wooden floor in our living room and dd needs a soft (non playpen)play area.

Any ideas?

Thanks!

Tumble mat
Ebay Alphabet and Number

Argos for 3+ probably due to the pop out shapes.

What about a rug?

we were given one from habitat. can't see it on the web tho.

these might help

or these

Thanks very much for all those suggestions.

Very grateful!