Features: Play together: These doted style glass marbles are funny for those who interested in glass marbles, which can be play on the garden, yard, lawn, playground, park and more, developing their social skill getting away from electronic products and getting several good friends. Glowing in the dark effect: These handmade luminous marbles are designed with the imbedded glow dots, are eye-catching and in line with the most party themes, such as black light party, neon theme party, growth party, Halloween party and so on, so you can use them to decorate your party to create the party vibe you want. Specifications: Color: as the picture shown Size: approx. 0.47 x 0.47 x 0.47 inch Material: glass Quantity: 40 pieces Package includes: 40Pcs x Scheam Color mixing glass marbles Warm notes: Please allow slight deviation due to manual measurement. Please allow slight color difference due to different monitor. Choking risk may exist, adult supervision is needed.