Snap Circuits Mini Kit LED Fun - Create your own colourful light show. Build a glowing Fiber Optic Tree and 10 additional LED-focused projects! Eleven projects in one kit provide hands-on experience building experimenting and playing with colorful LED lights. Build a Light Slider Spectrum of Light Row of Lights Blinking Colors Series of Lights and more! Adjust the spectrum of light and vary the brightness. Snap Circuits allows you to create working circuits with no tools required or soldering. Electronic parts mount on plastic modules and snap together with ease. Using different circuits and combinations of circuits young electronic engineers are easily able to build use and show off their projects. Snap Circuits LED Fun. Model SCP-11. Requires 4 x AA batteries (not included). Kit Contents: 1 Base Grid 2 X 2-Snap Wires 2 X 4-Snap Wires Battery Holder Red LED White LED Color LED Blue LED Prismatic Film Fiber Optic Tree Mounting Base 100Ω Resistor Slide Switch Full Color Instruction Manual.