Thunder – 7157 lego guide 7 years ago BUILDING INSTRUCTIONS FOR 7157, Thunder, Hero Factory Set Number: 7157 Theme: Hero Factory Launch Year: 2010 Thunder – 7157 File Size – 2.98 Mb Description – BI 3002/28 – 7157 V. 29Download Thunder – 7157 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