People who play a ukulele say the four-string instrument is easy to learn ... strum and sing from 2 to 4 p.m. on the third Saturday of the month. For the price of a Jake Shimabukuro concert ...

[Simone Giertz] of Punch Through Design has created a mini electric ... The ukulele’s frame is made of laser-cut plywood. Four 1M ohm resistors are soldered to individual wire strings.