Xiaomi Giiker M3 Magnetic Cube (Banggood, Aliexpress: Age of Use: 6 or Above, Dimension: 56.5x 56.5x 56.5mm, Product Weight: 97g, Main Material: ABS Environmental Plastic (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the 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 price update (UTC time):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
1. ($23.62): 2203ActiesNL
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): 25Giiker, 502C6B, TTxBG10, e901a6, BGss15%ls, BGGiikerM3es, BGLAB, TS15prime, TISPrime01, Tools1, Tools3, BGDH16, BG2020NS, BGTools65, BGc9b7, 13f142, bGhOnEy10, BGJP5812, BG2c5bs, bgshOOp10, BgoFErTaSchInA10, BGLab18, BgcLuBofErtA10, BGAFF10OFF, BGCuponation10, BGHONEY2110, BGLAB61, BG49c541, BGLab21, BGHU1005, BANGGOODSD, 00c906
(probably won’t work, but you can try them out)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Giiker M3 Magnetic Cube [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Giiker M3 Magnetic Cube. The lowest price was: $7.99.
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)).