Marble Exercising Machine - Part 11 - Wheel Wall

This part of the Marble Exercising Machine is the Wheel Wall.

The components needed are one of each of the above stl files except:
Wheel - 1 each in blue, magenta, red, yellow and pearl white
Wheel with belt drive - 1 each in green and yellow
Axle bearing - 1 each in yellow, green and pearl white
Axle bearing with barrier - 1 each in blue, magenta, red and orange
Bearing bracket - 2 off

And 'common components' from part 1:
Bevel gear 12 type 3 - 2 off
Belt wheel 12 - 2