You can get 313Pcs Johnny 5 Robot Building Blocks for $15.99 with coupon (from Banggood). Check coupons or create price alert down below. You probably want to know what is the best price?
Latest coupon code price check (UTC time):
313Pcs Johnny 5 Robot Building Blocks Set Short Open Circuit Five Figure Model Toys Kids Boys Gifts
Banggood ($15.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Price? From what I can see this price is higher than average price ($14.67).
Link: Banggood product page
Price: $15.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG358156
(you can check these old coupons out, but these probably won’t work)
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
Here is price history (for all/most countries) for 313Pcs Johnny 5 Robot Building Blocks.
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)).