Look no further. Great product quality， that's solidly built. Best of all， its very affordable price. Buy today. <br />1 x MEGA 2560 R3 development board <br />1 x MYB-120 breadboard <br />15 x LEDs (red， blue， yellow， each has 3 pcs) <br />8 x 220R resistors<br />5 x 1K <br />5 x 10K <br />30 x Color wires <br />1 x USB connection cable <br />1 x Potentiometer <br />1 x Digital tube <br />1 x Active buzzer<br />1 x Passive buzzer<br />4 x Button switch <br />2 x Photoresistors<br />2 x Tilt switch <br />1 x Flame sensor <br />In original package <br /><br /><br /><img src="http://img6.eachbuyer.com/x9/p100/eb3770_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3770_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3770_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3770_4.jpg" />