Quantity   Component name
1 × 6 laser cut acrylic sides I had these laser cut by Pololu in 1.5mm clear acrylic.
1 × Magnets (12mm dia, 3mm deep) https://smile.amazon.com/gp/product/B06Y6FGBFV
1 × Acrylic cement https://smile.amazon.com/gp/product/B00JFPF0UQ
1 × Bowden tubing (PTFE 4mm tubing) https://smile.amazon.com/gp/product/B019PZ5MY4