Vicious Viper – 8231 lego guide 7 years ago BUILDING INSTRUCTIONS FOR 8231, Vicious Viper, Power Racers Set Number: 8231 Theme: Power Racers Launch Year: 2010 Vicious Viper – 8231 File Size – 3.39 Mb Description – BI 3003/32- 8231 V.39Download Vicious Viper – 8231 building instruction Vicious Viper – 8231 File Size – 3.39 Mb Description – BI 3003/32- 8231 V.29Download Vicious Viper – 8231 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