$7.59 – 500pcs 5mm LED Diode Kit (Banggood, Aliexpress: 500pcs 5MM LED Diode Kit Mixed Color Red Green Yellow Blue White + BOX (the best price with coupon)).
You can get 500pcs 5mm LED Diode Kit for $7.59 using coupon code (in Banggood). Go down and check coupons out. Remember to check price history if it is available. What is the best price?
Latest coupon and price update (UTC):
Banggood ($7.59)
Banggood warehouse is located in China. Is it good price? Good news! This is great price, coz it’s the lowest in CouponsFromChina database! One coupon is available. Cool!
Link: Banggood product page
Price without coupon: $7.99
1. ($7.59): BGACCES5
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
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
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for 500pcs 5mm LED Diode Kit. The lowest price was: $7.59.
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)).