I googled Lego fabric and found a lot of it at
www.spoonflower.com Problem is, it's custom made fabric at $18.00 per yard, $5.00 for a 8" by 8" swatch. I'd love it for my grandson, but it is pricey for a kid's quilt. I wonder if this Spoonflower has a exclusive on the design. I'll email Lego's and see what they say.