This week on Maker Update, an automatic dice spinner, a desktop CT scanner, what taggers can teach us about permanent markers, and powering your Raspberry Pi from lithium iron phosphate. This week’s Cool Tool is the Krink K-70 Permanent Ink Marker.

This week on Maker Update, levitating water with LEDs, 3D printed skull buttons, servos on Pi, a game of Twang, Arduino animatronics, and project talk with Becky Stern. This week’s Cool Tool is the EBL 18650 Rechargeable Battery.

This week on Maker Update, a virtual rocket controller, a light organ dress, 3D printed detergent hack, and casting with Lego bricks. This week’s Cool Tool is a 5″ Sanding Mouse.

This week on Maker Update, an interactive music ring, the Asus Tinker Board S, Google’s Vision kit for Raspberry Pi, and a servo movement recorder. This week’s Cool Tool is 3M SandBlaster Ultra Flexible Sanding Sheets.