HobbyZone 
Palette and Brushes Insert
For the assembly wood glue will be needed
The insert can be used either directly from the Portable Hobby Station or independently placed on the table. It includes a magnetic holder with foam underneath to securely and safely store your brushes.
Due to the dimensions and construction of the insert, it can only be placed on the right side of the Portable Hobby Workshop
8 slots for brushes and other tools
magnetic holder with stability foam
Internal Dimensions: 19,3 cm x 21,5 cm (7.59" x 8.46")
Wet Palette spot: 19 cm x 13,8 cm (7.4" x 5.3")
maximum tool length 21 cm/8.19"
 
YouTube:
https://www.youtube.com/watch?v=34ipM8JbxCI