Description Keep the creativity flowing with Refill Filaments for 3D Drawing Pen. This set includes vibrant, high-quality filaments compatible with most 3D pens, allowing kids to create detailed 3D designs and projects. Perfect for artistic exploration and STEM learning, these filaments are durable and easy to use. Age: 8 years Delivery Details: Karachi: 2-4 days Other Major Cities: 4-6 days Order today from TheToyshoy.com and continue your child’s 3D creative journey!