Knockturn Alley – 4720 lego guide 7 years ago BUILDING INSTRUCTIONS FOR 4720, Knockturn Alley, Harry Potter TM Set Number: 4720 Theme: Harry Potter TM Launch Year: 2003 Knockturn Alley – 4720 File Size – 6.24 Mb Description – BI 4720Download Knockturn Alley – 4720 building instruction Print Versions Building instructions labeled “NA” or “V39” may be printed on US standard letter size paper Building instructions labeled “IN” or “V29” may be printed on EU standard A4 paper