* Add 1 Part 5102c02 Trans-Clear Hose, Pneumatic 4mm D. 2L / 1.6cm (Alternate) (match ID 1)
* Add 2 Part 5102c04 Trans-Clear Hose, Pneumatic 4mm D. 4L / 3.2cm (Alternate) (match ID 2)
* Add 1 Part 5102c06 Trans-Clear Hose, Pneumatic 4mm D. 6L / 4.8cm (Alternate) (match ID 3)
* Add 1 Part 5102c08 Trans-Clear Hose, Pneumatic 4mm D. 8L / 6.4cm (Alternate) (match ID 4)
There is an alternate version of tubing. Instead of light grey tubing, there
is a version with trans clear tubing. As proof, I found pictures in the store
of WE Bricks. He sells two new and sealed 8837. One of the comes with grey tubing,
the other with alternate trans clear tubing.