Design Your Own Telescopes (1 dz) 12 DIY Telescopes. These papier-mch Do It Yourself Telescopes are just perfect for plays, skits or playtime! These DIY projects include 2 clear plastic lenses and come ready to decorate. For playtime only, telescopes do not magnify. We recommend using crayons, washable markers, permanent markers, colored pencils or acrylic paint. Extends to 10 1/2".