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Colour-changing filament, 1 kg, single spools, ranked by £/kg

Every listing we track on Amazon UK that matches all of these filters, ranked by £/kg. Remove a filter with its "All" chip to widen the list.

2 listings tracked.

Product	Material	Weight	Rating	Price	Per kg	Deal
3D Printer Color Changing PLA Filament Color Change PLA Purple Blue to Pink 1.	PLA	1 kg	★★★★½ 4.3 out of 5 (37 Amazon ratings)	£35.62	£35.62	23% below
MG Chemicals ABS Thermochromic Color Changing Green to Yellow 3D Printer Filam	ABS	1 kg	★★★★☆ 3.9 out of 5 (37 Amazon ratings)	—	—	—

Colour-changing filament by brand

Guides

• Bed adhesion: what actually works
  Glue sticks, hairspray, rafts, brims and expensive surfaces — an honest ranking of what fixes prints coming loose, starting with the free fix that solves most cases.
• Do you need a filament dryer?
  Wet filament is real and ruins prints, but a dedicated dryer is not the only answer. How to tell if moisture is your problem, and what to do about it.
• Filament storage: dry boxes, vacuum bags and desiccant
  Keeping filament dry is cheaper than drying it out. What actually works, what desiccant to use, and why the little sachet in the bag is already spent.
• First layer calibration, properly
  Nearly every adhesion problem and half of all print failures start in the first layer. How to set Z offset by eye, and what a good first layer actually looks like.

Best-selling Filament by year — which actually sold best, going back several years, ranked by sales position rather than opinion.