Adjustable Guitar Strings: guitar toys come with 4 strings. Different Strings (Adjustable strings’ tighten or loose by head button) with different undulations will make different sounds. Through the rhythm of the finger, Let the kid distinguish the scales to exercise the sharpness of the child's hearing.,Safe Material:Children's guitar made of high-quality ABS environmentally material to ensure children's safety. . If there any questions or are not satisfied with our toy guitar , please contact us, we will do our best to give you the most satisfactory solution.,Portable Guitar Toys: The Electronic guitar toy for kids come with back strap, easy to carry. And the toy guitar powered by 3*AA batteries(Not Included), size is 17.28 x 6.18 x 2.72 Inches,weighs 0.77 pounds.,Best Toys:Toys guitar musical instruments make children enjoy beautiful music, a great musical toys for children and beginner guitar.