Get your hands on these 5 M&M Funny Rocks, each painted with a different color of acrylic paint. These rocks are perfect for decorating any space with their unique designs. The type of these rocks is decorated rocks, and they are made from acrylic material. They belong to the art category, specifically other art. Add these fun and colorful rocks to your collection today! Funny rocks chocolate candy look like a bite taken out of them. Some paint line marks on the back of them add to the character of each rock.