This post on Craftzine explains how to make a mermaid costume for a little girl, using fabric remnants.

In Wardrobe Refashion there’s a tutorial that explains how to transform a old sweater into a hotwater bottle cover, by cutting and sewing two pieces from the garment.

How to sew a kids art apron from a dishtowel is explained step-by-step in Obsessively Stitching. The apron has multiple pockets for crayons.

Via Obsessively Stitching.

I really like this idea of fabric book covers more than the plastic ones. Making these book covers with a sewing machine is very easy.

Via Craftzine.

To sew this Little Red Riding Hood doll, you just need red flannel for the hood, wool felt for the face, and some vintage fabric for the dress.

The Long Thread has published the templates (1 and 2).