Troll on the Loose – 4712 lego guide 7 years ago BUILDING INSTRUCTIONS FOR 4712, Troll on the Loose, Harry Potter TM Set Number: 4712 Theme: Harry Potter TM Launch Year: 2002 Troll on the Loose – 4712 File Size – 1.81 Mb Description – BI 4712Download Troll on the Loose – 4712 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