1st Artifact:

This picture shows a wine cup used in China during the ancient days. The size has evolved into a modern day plastic container and the wine cup is replaced with just a small curved cup.

2nd Artifact:

This picture is a Chinese Stamp. It has evolved into a chop with ink, and the size should be the around the same.

3rd Artifact:

This picture is a Chinese Brush. It has evolved into a ball-point pen with ink and it is much thinner in size.