Research Glider – 5921 lego guide 7 years ago BUILDING INSTRUCTIONS FOR 5921, Research Glider, Adventurers Set Number: 5921 Theme: Adventurers Launch Year: 2000 Research Glider – 5921 File Size – 1.42 Mb Description – BUILD.INST. FOR 5921Download Research Glider – 5921 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