Maddie's Do You Know? - Series 2: Canal Lock and Gate - Signed

Name: Maddie's Do You Know? - Series 2: Canal Lock and Gate - Signed
Description: Maddie uses special cameras to show us how canal locks work and how a garden gate is welded together from pieces of steel.

Maddie uses special cameras to show us how canal locks work and how a garden gate is welded together from pieces of steel.