4.1 Establishing Functions.

Sl. No	Functions
1	Compartment to store .
2	Solve the puzzle.
3	Sense the solved puzzle to unlock.
4	Open the door of the box.

4.2 FUNCTION TREE

4.3 MORPHOLOGICAL CHART

4.4 Generated concepts

Design 1

Design 2

Design 3

Design 4

Design 5