This week on Maker Update: an instrument that rules, street music, a mouse that raves, and a couple new boards worth knowing about.

This week on Maker Update: a shopping cart with a mind of its own, sequencers with Furby ears, a disco coaster and an extractor for heat set inserts.

This week on Maker Update: Arduinos on the ceiling, a Cookie Monster for your home, looking out for pedestrians, barbwire wear, and turning foam board into foreheads.

This week on Maker Update, Kitty Grabs Gold, a robot beer cooler that follows you, the Circuit Playground Express, Adafruit and Microsoft, Other Machine Co. and Bre Pettis, Tinkercad Lego export, a great kit for gadget and toy hacking, and Maker Faires. Our featured Cool Tool is the iFixit Electronic Toolkit.