3D Pen, Glyby 3D Printing Art with 1.75mm ABS Filament Refill PERFECT AFTER-SALE PROTECTION : Please ensure the 3D Doodle Pen package is properly intact before signing. If there is any damage of the commodity,please contact with us for a replacement, The 3D PEN has 18 months warranty. For help, please contact us. DEVELOP IMAGINATION: 3D pen is a great tool for anyone interested in 3D modelling. It is a great gift for any occasion! The only one limitation of 3D drawing pen is your imagination! 3D printer pen is perfect for children above 8 yrs old and adult no matter you are artists, hobbyist or creative lovers. DESIGN OF INTELLIGENT STANDBY FUNCTION: 3D Printing pen will automatically switch to standby mode in 5 minutes,when you rest in operation or forget to turn off the power,the heating ring will stop working.When restart, the product begin to heat up, to avoid the risk of forgetting turn off the power. DESIGN OF TEMPERATURE REGULATION AND CONTINUOUS SPEED REGULATION: The function of regulating temperature has been increased.Users can adjust by themselves,according to different consumptive materials,to achieve the desired temperature.Users can govern speed through hands movement,act freely when painting stereograph,to created the perfect works. GLYBY BRAND OWNER: GLYBY have never authorized any other seller to follow and sold on Amazon. For safety and heath,Pls do not buy from counterfeit 3D Pen brand.