4.1 Establishing Functions

Table 1:List of identified functions.

Sl. no.	Functions
1	Provide Compartment to store item
2	Provide puzzle
3	Give instructions of puzzle
4	Ask user to solve puzzle
5	Accept user input
6	Check the solution
7	Open the box automatically if the puzzle is solved
8	Alert the user when the box is open
9	Illuminate inside box on opening
10	Stop the puzzle after three attempts
11	Close and lock the box

4.2 Function Tree

4.3 Functional Clustering

4.4 Sub Systems Identified

1.Casing

2.Puzzle solving unit

3.Open/Close mechanism

4.4 Establishing Means – Morphological Chart

Serial No.	Sub functions	Means 1	Means 2	Means 3	Means 4
1	Provide compartment to store item	Stacked	Side ways	open lid	Add drawers
2	Sense item	IR sensor	ultrasonic sensor	Proximity sensor
3	Alert user	with buzzer	with burglar alarm	beep sound	LED display
4	Ask user to solve puzzle	LCD display
5	Give Instructions of puzzle	LCD display	written instructions
6	Accept user input	with the help of keys	using joystick	using switches	using buttons
7	Check for right solution	Logical gates
8	Open the box if the puzzle is solved	top ways	sideways	Screw cap	slide compartment
9	Alert the user when the box is open	by illuminating light	by using buzzer	using burglar alarm	beep sound
10	Illuminate inside box on opening	using led lights
11	Stop the puzzle after three attempts	aurdino
12	Lock the box after closing	using gears	provide key	servo meter

4.5 Generated Concepts

Design - 1-Lottery Box

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Design - 2-Guess the Number

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Design - 3-Temple Game

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Design - 4-Helix Jump

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