This awesome easy LEGO table IKEA hack is a movable play table and storage space all in one. Great for your kid who is a Lego fan.
Playroom Idea - DIY Projects Featuring the IKEA Lack Table I like this idea. I'd probably find an inexpensive coffee table, paint it, and then glue Lego base boards to it.
Upcycled Pretend Play BBQ Project Tutorial on how to make this kids play grill from a junk side table, including play food and kebabs.
Affordable Art Space You can see exactly how affordable this IKEA-made art center is. The post that this is linked from has a few other good ideas for kids art spaces.
Upcycled Kids Art Station - So You Think You're Crafty. love the clipboard idea