Collect maximum building materials from the given domain within the time limit. Questions will be asked by the judges related to the collected items.

This will be a jigsaw puzzle. Solve the puzzle of irrigation structure by joining the pieces suitably within the time limit.

Construct a bridge / truss of span 60 cm which can withstand maximum load using the provided items.

Solve the jigsaw puzzle of a building plan and draw the plan in AutoCAD.