This advanced set includes more components to build larger and more varied structures: suspension bridges, cranes, cars, catapults, ...

Composition:

• 24 beams # 5 (24 cm)
  
• 54 beams # 4 (17 cm)
  
• 54 beams # 3 (11.5 cm)
  
• 24 beams # 2 (8 cm)
  
• 24 beams # 1 (5.5 cm)
  
• 10 flexible beams # 5 (24 cm)
  
• 18 flexible beams # 4 (17 cm)
  
• 18 flexible beams # 3 (11.5 cm)
  
• flat beams
  
• axes and accessories
  
• a coil of string and 32 tensioners
  
• 114 connectors (different types)
  
• 2 nuts
  
• 2 structure supports
  
• 300 knurled screws