NINJA’S STRONGHOLD – 6088 lego guide 7 years ago BUILDING INSTRUCTIONS FOR 6088, NINJA’S STRONGHOLD, Castle Set Number: 6088 Theme: Castle Launch Year: 1998 NINJA’S STRONGHOLD – 6088 File Size – 7.47 Mb Description – BUILDING INSTR. FOR 6088Download NINJA’S STRONGHOLD – 6088 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