Power: 1W (Per Module), Material: PP+LED Light+Alloy, Size: Per Module: 10cm (Corner to Corner / Not Edge), Color: RGB Colorful(Random Color).
You can create price alert here, copy coupons and view price history. Best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. I can’t tell you if this price is good – not enough records in my database, so I won’t judge. You can get coupon down below.
Link: Banggood product page
1. ($45.04): Cuponation9
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGbc4186, tRaDetRaCKeR, 8wEbgaInS5, BGf8663c, pROMo8cuPoN, BGf94f14, BGLED2206, BG7aece1, BGJULY106, BGHU2342, 9OFFSUMMER, BGade8d0, BGLED07, BG8ReviTrage, BGccec78, BGLEDNOV2022, BG31ad44, TTBLACK5
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – LED RGB Colorful Night Quantum Modular Lamp 10pcs ($-3)
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was $33.88 though.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).