This is a gym for Astromech's, where they can exercise their functions.
I use 4 Astromech's: 2_R2-D2, 1_R2-D2 body with R41s head, and 1_R4-P44.
R2-D2 fly and lift up a weight:
The second R2-D2 working with computer system:
R4-P44 is lifted by a crane like when they get in starfighters:
The R4 headed R2-D2 strengthen his 3th foot:
This is my creation,and my first writing here.I hope you like it.