Stephen Weeks, I Restore Castles in the UK and Central Europe. Answered Jan 27, 2018. read more
required: Caerphilly was built from 31,950 blocks, larger than Chillon on Lake Geneva, Switzerland by more than 1,250 bricks! I needed 23,495 light gray Lego pieces, including 449 3x3x6 castle wall corners, and 8,455 Lego of other colors for the infrastructure, grass, etc. including 850 blue bricks and plates for the lakes. read more