Material: stainless steel + bamboo sticks The smallest crossbow DIY toys, the top children's toys crossbow dart game set. Need to be based on their own assembly diagram to start the training operation ability, is a very good product DIY. No battery needs, just pull back the string and fire, use a cotton swab or toothpick, practice the target, simulate the range. approximately. Size, length: 4 inches, width: 4 inches, can be played, can also be displayed on the desktop