BrickLink - Set 9580-1 : LEGO WeDo Robotics Construction Set [Educational & Dacta:WeDo] - BrickLink Reference Catalog
Get Started with WeDo – LEGO Engineering
LEGO 9580 Wedo Robotics Construction Set Set Parts Inventory and Instructions - LEGO Reference Guide
Sewing Machine Lego WeDo unofficial building instruction: Robotic motorized model unofficial building instruction for Lego WeDo 9580 set - Kindle edition by Gergert, Vyacheslav. Children Kindle eBooks @ Amazon.com.