We decided to create a simple interactive game which uses widely available micro-computers in order to engage young children to play and learn by guessing colors. This game works on code programmed onto a single Lilypad Arduino controlling an RGB, an LED, and a Piezo buzzer and receiving input from two buttons.
The instructions are simple:
The computer sets and stores a color at random in its memory.
The player uses the left (grey) button to cycle through the 5 colors.
The right (green) button locks in the player’s choice and asks the computer to
compare it with the variable in the memory.
The computer lights up the LED and plays a winning tone if the guess is right
(and resets the game).
If the player doesn’t get the right color in 3 turns, the computer plays a losing
tone (and resets the game).
We used the puzzle offered as an example of the project as our inspiration for the board and kept the box small and portable. The box measures 4” x 5” x 1.5” in its entirety and has four square openings on its top. The minimalist button layout can be easily and intuitively read by a small child and the additional instruction panel on the flip side provides any clarifications needed. 
After researching and experimenting with various types of edges and joints, we settled on finger joints to create a secure connection between the side of the box, and then we glued the pieces together leaving the top detached so that it could be removed easily for troubleshooting and access to the wiring and on/off switch.

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