Product Overview: A fun and creative set of connector pens that can be linked together for easy storage. Key Features: ‣ Bright & Washable Ink: Safe for kids and easy to clean. ‣ Connector Caps: Allows pens to be linked and built into creative structures. ‣ Durable & Long-Lasting: Ensures smooth and even coloring. Specifications: ‣ Material: Water-based ink ‣ Quantity: 10 connector pens