Price: FREE
Temporarily out of stock; call for availability.
Materials Included in Kit: 
Invention board and USB cable 
Blink/fade board 
3 standard pushbuttons 
3 jumbo pushbuttons 
2 slide switches 
3 coin cell battery holders 
15 jumbo 10-mm LEDs (red, amber, green, blue and white) 
5 mini surface mount LEDs (red, amber, green, blue and white) 
Mini RGB LED 
Piezoelectric speaker 
2 screw terminals 
Maker Tape (⅛", 16 feet) 
Conductive thread bobbin (16 feet) 
5 CR2032 batteries 
Battery holder (2 AAA) 
LEGO™-compatible baseplate (8 x 16 studs) 
Plastic organizer