Replacement Water Pen - Just filled magic pen with water. No ink, Non-toxic, Non-polluting. Never make a mess. Clean and safe, satisfying the imagination and creativity of your infinite painting.
Educational Toys - This magic drawing pens are beneficial for color perception and exercising hand-eye coordination, developing painting and creative skills.
Perfect Gift - The reusable and refillable water doodle pens are perfect gifts for your family and friends, promoting fine motor and early writing skills, which can be used on any type of aqua water doodle mat or water coloring book.
Easy to Use - Before using, please soak the head of the pens into the water for 10 minutes until it inflates fully to avoid water dripping.WARNING: To avoid danger of suffocation, keep this platic bag away from babies and children. Do not use this bag in cribs, beds, carriages, or playpens. This bag is not a toy.