Quantity   Component name
1 × Skull / Grim Reaper Mask
2 × WS2812B NeoPixel on board https://nl.aliexpress.com/item/33044419481.html?spm=a2g0o.productlist.0.0.525bffb6M57QUy&algo_pvid=5ae1f56c-663c-4a0d-af71-665c7c91a950&algo_expid=5ae1f56c-663c-4a0d-af71-665c7c91a950-0&btsid=adec8425-8b39-42fe-aa19-34d11f841195&ws_ab_test=searchweb0_0,searchweb201602_1,searchweb201603_52
1 × Arduino Nano v3 (or clone) - I have used LGT8F328P-LQFP32 MiniEVB https://nl.aliexpress.com/item/32993287855.html?spm=a2g0s.9042311.0.0.14e44c4dgrtX9c
1 × 9v Block battery
1 × 9v Battery connector https://nl.aliexpress.com/item/32674526328.html?spm=a2g0o.productlist.0.0.2ef04d30aydrgc&algo_pvid=9c5a194f-e896-453b-9585-4806b73e3b1d&algo_expid=9c5a194f-e896-453b-9585-4806b73e3b1d-4&btsid=e55b0baa-8536-41f3-919a-b0e2264ad77b&ws_ab_test=searchweb0_0,searchweb201602_1,searchweb201603_52
1 × Buck / Boost converter https://nl.aliexpress.com/item/32963598972.html?spm=a2g0s.9042311.0.0.27424c4dkbmZnz
1 × 330 Ohm resistor This is to protect the Neopixel input
1 × Acrylic Foam https://nl.aliexpress.com/item/33018450162.html?spm=a2g0s.9042311.0.0.7d244c4dsTHtbI
1 × Thin (black) silicone wire
1 × Shrinking tube https://nl.aliexpress.com/item/4000135420399.html?spm=a2g0o.productlist.0.0.2f782ccchGRYZw&algo_pvid=45a1ef14-d8b1-4b11-8ee6-22fa3e01dd56&algo_expid=45a1ef14-d8b1-4b11-8ee6-22fa3e01dd56-2&btsid=71505bd8-5248-4450-9bae-ba675b20b95a&ws_ab_test=searchweb0_0,searchweb201602_1,searchweb201603_52