DIY: M&M Costume — the little onion
Last Minute DIY Halloween Costumes
Easy DIY m&m costume for toddlers: Easily adaptable for other sizes - Diary of a So Cal mama
East Coast Mommy: 5 Minute (no-sew) Costumes
No-sew Halloween costumes: Balloons - Today's Parent - Today's Parent
Easy DIY matching M&M costumes - House of Hepworths
Coolest Homemade M and Ms Costumes
How to Make a Tutu: No sewing required! - Peanut Blossom
DIY: M&M Costume — the little onion
No-Sew M&Ms Costume (with Pictures) - Instructables