[Expired]3D Printing Pen for kids Set(Low Temperature) with OLED Display

• Amazon.com offers the 3D Printing Pen for kids Set(Low Temperature) with OLED Display for $19.99 via coupon code "QN6QUNDT".
• Free shipping on orders over $25.

Features: Connect 3d pen to power supply with DC 5V 2A or computer, LED lights, click "√" to begin heat the pen. Cut the filament end be trim before uploading, when the temperature reach at 80 degree or above, double click feed button, then try to push the filament slightly when feeding the filament, after a while, this 3D pen will unload filament automatically without your pushing.