Here is a list of tools, you will need to solder DIY kits and will make the process easier.
Synthesizer DIY Shop
ADSR (DIY) - CubuSynth
8-bit Synthesizer
CubuSynth - QuadVCLFO
Chilicases Swiss Eurorack Modular / Case / Curved Desktop Skiff 6U104HP, Powered 2.5A Ultra Low Noise PSU
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CubuSynth Modular
63 inch Flexible Grabberable Pickup Tool, Retractable Claw Stick, Snake & Cable Aid, Use to Grab Trash Hairs & Drain Auger to Unclog Hair from Drains
20% off for the remaining stockDiscount automatically applied during checkout, DIY version of the CubuSynth Engine, Difficulty Level: 9/10Build Time
CubuSynth - Engine (DIY)