PART                  QTY        DIGIKEY REFERENCE          PRICE in $$
1. Tactile switch        2          401-1779-1-ND              0.50 x2
2. Tactile switch	 1          CKN1850CT-ND	       2.59
3. Capacitor 100nF       4          C1005X7R1A104K             0.24 (buy 10)
4. Capacitor 2.2uF       2          ECJ-GVB1C225K              0.40 x2 
5. Capacitor 2700nF      1          490-1306-1-ND              0.21 (buy 10)
6. Connector header      1          S9005E-06-ND               0.91
7. Resistor 10K		 4          P10.0KLCT-ND               0.06 x4
8. Resistor 5.1K         1          P5.10KLCT-ND               0.06
9. Resistor 15K          1          P15.0KLCT-ND               0.06
10. Diode MBR0520        1          MBR0520LT1GOSCT-ND         0.44
11. TLV1117-5 volt. reg. 1          296-21114-1-ND             0.70
12. DS1339C-3.3 RTC      1          DS1339C-33#-ND	       6.77
13. ATTINY45             1          ATTINY45V-10XU-ND          2.20
14. SAA1064 led driver   1          568-1108-5-ND              2.80
15. MOSFET IRLML2502     1          IRLML2502PBFCT-ND          0.51
16. Buzzer ST03-CH       1          433-1007-1-ND              3.43
17. BJT transistor       2          MMBTA05TPMSCT-ND           0.38 x2
18. LED display          2          516-1206-5-ND              1.76 x2
19. Battery holder 20mm  1          BU2032SM-HD-GCT-ND         0.71
20. Battery CR2032       1          N189-ND                    0.40
21. Wall adapter 7.5VDC  1          T980-P5P-ND                6.98
22. PCB copper clad      1          PC40-ND                    4.36
23. Project enclosure    4"x2"x1"                              2.99
    http://www.radioshack.com/product/index.jsp?productId=2062280      
    available at local Radioshack stores