[kida] has a highly innovative set of 3D-printable, musical fidget toys that play classic video ... the design is easily modified so making new tunes is easy. [kida]’s original design has ...

And I've found the ideal gift for my seven year old – this MYNT3D 3D pen with 30% off at Amazon ... the different models on offer gets you an easy to use pen with an OLED display.