Bill of Materials:

Item          Label-Value                        Designation
1               TWO 'AA' CELLS
2               10uF @ 10v                                    C1
3              .1uF                                                 C2
4               LED0                                               D1
5               2N2222A  (TO-18case)                 Q1
6               MJE2955T (TO-220S case)           Q2
7              500-1Meg   photo cell                     R1

8               68   ohm resistor                            R2
9               1k                                                    R3
10            100k                                                R4,R5
11            10k                                                  R6,R7
12            10                                                    R8
13             Switch                                             S1
14             Switch                                             S2

15             LM555  (DIP8 case)                      U1