I just create a group and throw all the props into that group. They fold up under the group name in the Hierarchy menu, so it removes the clutter. If you want to stop each individual prop from moving, you can Lock Object for each prop.

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W11,Intel i9-14900KF @ 3.20GHz, 64.0 GB RAM, 64-bit, GeForce GTX 4070 Ti SUPER, 16GB. 

Old lady hobbyist.

All visual art or fiction is "playing with dolls."