The Glo-Star Kit includes a 5″ wood (MDF) shape 3/8″ thick with wall hanger, glow in the dark tumbled crushed glass, glue and toothpick. Suggested age: 12 yrs to adult. Rating: easy. *Tip: work over a paper plate or tray to avoid scattering or loss of pieces. WARNING: crushed glass and toothpick in this kit may pose a choking hazard to young children and pets. Some glass pieces may be sharp.