Use coupon and get 500pcs 5mm LED Diode Kit for $7.99 (from Banggood). Check coupons or create price alert down below. Do you want to know what the best price is?
500pcs 5MM LED Diode Kit Mixed Color Red Green Yellow Blue White + BOX
Latest coupon and price update (UTC):
Banggood ($7.99)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. Price? Looks like a good price to me (average is $8.14).
Link: Banggood product page
Price: $7.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG589b2e
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for 500pcs 5mm LED Diode Kit is here.
Price records source(s): Banggood
Click on image to enlarge. 
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)).