Electronics Soldering X'mas tree DIY kit

It is funny soldering kit which is X'mas Tree LED kit and it can used in outdoor in garden or country park. all the kit are disassembly. children can assembly by provided manuel . in order to make children creative and intelligence.

Princeple :  
          When switching 5V power supply, due to the error of the element so that Q1 pilot through the red light, due to the conduction of Q1 so that anti-charging C1, Q2 cut this, the yellow light is off, Q3 is turned on, the green light. When C1 to charge 2 / 3VCC when Q2 is turned on, the yellow light, C2 into the reverse charging, Q3 is turned off, the green light is off, when C2 charge to 2 3VCC when / Q3 is turned on, the green light, C3 anti-charge, Q1 is turned off, the red lights out, so the cycle continues, forming colorful flashing lights.

Function : Led will flash when it start working

Output : 37LED

Power source : 4.5V AA size x3pcs

Packing and shipping

unit weight : 55g

• unit box size : 90x80x40mm

• carton box quantity : 100pcs

• carton size : 430x430195mm

• carton gross weight : 6kg

Ship by EMS/UPS/TNT/Fedex or Sea

Lead Time : 20-30 days