Unique Instruments: What family?

Directions: Using your google accounts, comment on which family you believe these instruments should be placed and why. We've been learning about Strings, Woodwinds, Brass and Percussion.
Which family would you place these instruments and why? Please number your answers.

1. Can't Feel My Face - Walk off the Earth (feat. Scott Helman)

https://youtu.be/eJ3H0Njb1As

2. Adèle & Zalem, ...... Duet

https://youtu.be/oXBGZoBYaLY

3. Wintergatan - Marble Machine (music instrument using 2000 marbles)

https://youtu.be/IvUU8joBb1Q

4. Luca Stricagnoli - FEEL GOOD INC. (Gorillaz)

https://youtu.be/Z6_HlOqy2C0

5. Simon Gresswell Plays ....., Big Carl

https://youtu.be/AH32B8nUHxk