1: How can I change the wooden frame to other materials?
Yes, you can change the wooden frame to other material.
As the plastic material, but there will be a mold cost. So it is much better you not change.
If you want, we can do it, let talk about the details.
2: How you keep the good not broken via shipping?
For this hourglass egg timer, we will wrap them with polyform.
And keep less quantity of the master carton.