Extruder for MakerBot Sketch (2 pack) Product Categories_Educator Curriculum Blockly is a drag-and-drop programming

Blockly is a drag-and-drop programming language that snaps together like puzzle pieces

English Language Arts

ultrasonic sensor

Three preset modes and rich learning resources make it the perfect educational resource for those who want to learn electronics

Supports 90% cylinder engraving

Extruder for MakerBot Sketch (2 pack) Product Categories_Educator Curriculum Blockly is a drag-and-drop programmingExtruder for MakerBot Sketch (2 Pack) designed for the MakerBot SKETCH 3D printers as a replacement for damaged or overly clogged extruders. You get two extruders in this pack, allowing you to use on multiple printers or to keep as a backup. This is compatible for SKETCH Standard and Large only.