This is a stamp that assists in music creation, allowing you to express the thoughts in your head anytime, anywhere.
This is a roller seal with a pen cap function, which can make ripples, lines, patterns and other imprints.
A six-sided roller stamp, six different designs can be made from the one stamp.
A flash stamp with a hexahedral structure, six different designs can be made from the one stamp.
This is a math practice stamp that uses a roller to change numbers, addition, subtraction, multiplication, division, fill in the blank, etc., each stamp at least 100 different exercises.