DIY synth electronic music kit by Technology Will Save Us. Create your own electronic sound with the DIY synth kit. Build three different synths (Atari punk console, stutter, and dub sirens) and enjoy the unique sound output. Learn about pitch, frequency, and volume as you create your own masterpiece. No soldering is required with this kit, so you will be able to admire your work quickly. The synth kits comes with electronics to create 3 synths and require a 9v battery and a computer or tablet with internet access. Recommended for ages 12 and up and requires approximately 1 hour per synth. Materials: Metal, electronics dimensions: 7"l x 5"w x 2"h weight: 1 lbs.