Quantity   Component name
1 × 5V Step-Up voltage regulator https://www.pololu.com/product/2115
1 × Adafruit Circuit Playground Classic board https://www.adafruit.com/product/3000
1 × WS2812B or NeoPixel LED strip with 38 LEDs https://www.amazon.com/BTF-LIGHTING-WS2812B%EF%BC%88SK6812%EF%BC%895-5mm-Individual-Addressable-Progarmmable/dp/B08SBVFP3G/ref=sr_1_3_sspa?dchild=1&keywords=ws2812b&qid=1624488605&refinements=p_36%3A1253528011&rnid=1243644011&s=hi&sr=1-3-spons&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyNVEzV1pRSldSM0dXJmVuY3J5cHRlZElkPUEwMDIxODM4MVFIR1FMS1BCN001MCZlbmNyeXB0ZWRBZElkPUEwMTE2ODIwUlhHT0FLM0FKTE9OJndpZGdldE5hbWU9c3BfYXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ&th=1
1 × Silicone casing https://www.amazon.com/gp/product/B07WHWFCG6/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
4 × Silicone wire 26 AWG https://www.adafruit.com/product/1881