A new set of 3D pen filaments. The da Vinci 3D Pen allows you to create 3D works without a computer or modeling software. You can freely draw your imagination in space. Simple operation makes it easy to use! It's light, so it's convenient to carry! This set includes 6 colorful, eco-friendly filaments. The da Vinci 3D Pen can be used with a variety of colored filaments to create colorful 3D works. PLA filaments are biodegradable. Also, because of their relatively low melting point, they are suitable for use in homes and schools as an eco-friendly material.