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Aliexpress
There’re some similar (or not) items on Aliexpress
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Latest coupon and price update (UTC):
Product forming size: 300x300x300mm, Layer thickness: 0.05-0.3mm, Material diameter: 1.75mm, Packing Contents: 1x PLA, 1x USB Cable, 1x SD Card, 1x Card Reader, 1x USB Stick, 1x 1.5/2.0/2.5/3.0mm Allen Wrench, 5x M4x6 Socket Cap Screw, 4x M3x5 Socket Cap Screw, 1x PE Ziplock Bag, 1x Tool Box, Platform board: Aluminum Alloy + Glass
Price history and price alert
There is only one database record (it was for $379.99), so you can’t see price history chart.
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)).