Ice cube lock

My first iteration of a timed lock by an ice cube. The lock contains 3 parts and takes a regular ice cube. There is no need to put the lock in the freezer and worry about the parts breaking because of the expanding ice.

Maximum size of the ice cube this lock can take 30x30x30mm. It takes about 2 hours at 22°C for the lock to release.

To use it, put the two bodies together and place an ice cube inside. Place the lid onto the top and wait for the ice to melt. The lid snaps into the body with