Assess the Damage Before You Start
Before grabbing glue, examine the damage under good light. Categorize it: surface scratch (paint only, no material loss), shallow chip (small piece missing from surface), deep chip (material visibly missing, structural), or crack (material intact but split). Each requires a different approach.
Surface scratches and shallow chips are straightforward home repairs. Deep chips and cracks on painted areas are harder to match but still doable. If a piece has broken off and you still have the fragment, your repair will be nearly invisible.
Step 1: Gather Your Repair Materials
For PLA figures (like Voxelyo editions): cyanoacrylate glue (super glue, medium viscosity — Gorilla Gel or Loctite Ultra work well), 400-grit and 800-grit sandpaper, acrylic paint matching the figure color, a fine-tip brush (size 0 or 00), and matte clear coat spray (Krylon Matte Finish or Testors Dullcote).
For vinyl figures (Pop Mart originals): use the same materials but substitute plastic-safe super glue (check the label for vinyl/PVC compatibility). Some super glues contain solvents that melt vinyl. Gorilla Super Glue Gel is vinyl-safe.
Total cost for a repair kit: $15-20 at any craft store or Amazon. These supplies will handle dozens of repairs.
Step 2: Fix the Chip or Scratch
For chips where you have the piece: apply a thin layer of super glue to both surfaces. Press together firmly for 60 seconds. Wipe any squeeze-out immediately with a dry cotton swab. Let cure for 2 hours before handling.
For chips where material is missing: build up the area with layers of super glue. Apply one thin layer, let it dry 10 minutes, then add another. Repeat until the filled area is slightly higher than the surrounding surface. This takes patience — 3-4 layers usually fills a chip the size of a grain of rice.
For surface scratches on PLA: lightly sand with 800-grit sandpaper in one direction along the scratch. This blends the scratch edges. Wipe dust with a damp cloth.
Step 3: Sand, Paint, and Seal
Once the super glue has fully cured (minimum 2 hours, overnight is better), sand the repair flush with 400-grit, then smooth with 800-grit. Sand in one direction, not circular motions. Check with your fingertip — the repair should feel flush with the surrounding surface.
Color-match with acrylic paint. Mix colors on a palette until you match the figure. Apply in thin coats with a fine brush, feathering edges into the surrounding area. Two to three thin coats look better than one thick one. Let each coat dry 15 minutes.
Finish with a light mist of matte clear coat from 12 inches away. One coat is enough. This blends the sheen of the repaired area with the original finish. Let dry 24 hours before handling.
When to Leave It Alone
Not every chip needs repair. Tiny scratches that are only visible under direct light often look worse after a bad repair than they did before. If the damage is on the underside or base of the figure, most collectors leave it as-is.
For high-value Pop Mart figures you plan to resell, consider that any repair — even a good one — technically makes it a restored piece. Disclose repairs when selling. For display pieces like Voxelyo editions (Duck Bubu, Angel Bubu, Snow Wing Bubu, Pink Fang Bubu), repair freely — these are your figures to enjoy, not investment instruments.