Science4you 3D Pen Filament Refills for Kids - 10 Colorful 1.75mm PLA Filaments for 3D Pen for Kids, Safer and Easier to Use, 50 Meters Total, Gift for Boy and Girl

【1.75mm PLA Filament Refills for 3D Pen for Kids】-- 1.75mm ±0.02 diameter PLA filament refills with 10 colors available for coloring your artwork in a fun and educational way. 【10 Colors Included】-- Complete set of 10 different colors of 1.75mm pla filament to inspire creativity in children's 3D pen drawings and creations. 【Smooth Bubble-Free Printing】-- PLA filament for children developed to ensure smooth and consistent printing without bubbles or irregularities. 【Biodegradable and Eco-friendly PLA Filament 1.75mm 】-- 100% biodegradable colored PLA filaments, environmentally friendly and safe for children. 【Recommended Printing Temperature of 160-210°C】-- Optimized and recommended temperature between 160-210°C when using a PLA 1.75mm 3d pencil filament to ensure optimal filament adhesion and minimize the risk of blockages. 【Gift for Boy and Girl】-- This 3D pen filament is a unique and original gift for boys and girls who love 3D pens, drawing, art, crafts, games and educational toys.