I Spy a House -
Why not put some fun I spy fabrics in the windows and doors. There's even a tutorial at this to make wonky houses.
How about the popular jar quilt. Good for bugs and food charms. This ones comes from here I love the Jam Jar. There are many jar templates available and here's one to get you started, Scale down this jar pattern from About Quilting to use your 5 inch charms.
Who says I spy quilts have to be made into kids quilts. Why not make an I spy Table Mat. This hexagon shape is really nice.
OR here's a free pattern called Sugar Cookies for a traditional shaped runner using 39 your I spy charms cut into hexagons.
I Spy Diamonds. I didn't see a free pattern, but it certainly looks like a great layout. It also looks like it's "Quilt as you go" friendlyas well .
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How about a Happy Block I Spy quilt designed by Mary. Her free pattern for this quilt can be found here.
Or Mary's free Twisted Happy Block pattern can be found here.
Scour your I spy stash packs to find 26 blocks and make an ABC quilt like this. Each block is for the letter of the Alphabet.
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How about a Happy Block I Spy quilt designed by Mary. Her free pattern for this quilt can be found here.
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Make your 120 charms stretch into multiple quilts. Use 35 charms for this quilt as you go, Box in a Box style.