X-Vista 3D Printing/Drawing Pen with LCD Temperature/Mode Display Screen,3D Arts & Crafts Drawing 3D Printing Doodle Printer Pen with 1.75mm ABS/PLA Filament Material(Yellow) The 3D Printing Pen 2nd Generation can use ABS or PLA Filament Material,PLA is colorless,odorless,non-toxic,environmental health.And 1st Generation can only use ABS. High-grade PC shell,wear-resistant and easy to operation,about 52g which is easy to handle for children and adults. Ergonomic handle design makes the pen comfortable to hold and easy to control,Prolonged use doesn't cause fatigue.2nd Generation 3D drawing Pen is safe and more stable,it is environmental tool for your children to create their world. Electric heating nozzle integrated and compact design convenient for maintenance and replacement.On LCD Screen can watch and control temperature,speed,filament,more safer than the 1st generation. Unique 3D style rather distinctive from traditional drawing pen.With the 2nd generation 3D drawing pen,you are able to create arts of various styles all by your own.Make you full enjoy the fun of 3D drawing,bring your art ideas to reality by friendly functions.