HU Art Sound (2)
@zebulon 1er, dit "le maudit"

Found a video:

How to Make Mechanical 7 Segment Display from Cardboard

In today's video I want to show you 7 segment display with unique mechanism that is our own invention. There are 7 circles inside. Each circle has it's own trigger that read circle program and responds for opening/closing specific segment. Full assembly instructions are included in the video!
Materials you need: cardbaord, paper, rubber bands, springs and popsicle sticks.