Mastro Plastics was the name given to Mario Maccaferri's "French American Reed Company" in 1964. Maccaferri's Mastro Plastics produced the Islander, the Islander Semi Deluxe, Islander Deluxe, (with an extended fretboard) The Islander Ukette, also known as "Sparkle Plenty"(a sort of small soprano) The Islander Baritone, The T.V. Pal, and the Playtune Senior. The Mastro line also included a Banjo Uke, and in the 60's they even made a Beatles theme Banjo Uke (with the fab fours faces on the head) several Beatles theme "Jr. Guitar" Ukes, and other toy instruments such as bongo drums.