One base
Infinite faces

The base is 925 sterling. Hallmarked, brushed, made in Prague. Built to last 50 years.

What sits on top changes by mood. Plastic, rubber, enamel, ceramic. Same ring. Different face. Sometimes by Tuesday.

  • The base ring925 Ag · 4.6 g · brushed
  • The grid1×1 stud · industry standard
  • The shapeRound · 925 sterling
  • The releaseHand-numbered · 2026

Tap a face
Swap a mood

Hand-finished sterling silver base. One stud. Tap any color — the stone face changes. The ring stays. That's the whole point.

MODU MODU silver ring with the selected stone face
MODU MODU tile packs and two boxed rings against a colourful Memphis-inspired set — Temple Cuisine, Still a Champ, UK Acid House, The Boy Who Lived, Colours I Pin, Leaving the Corp.

Pick a pack
Snap a mood

After Wada, Werner, Memphis, Bauhaus, Acid House, and other documented palettes.

→ SEE ALL PACKS

One ring
More mood

ROUND BUNDLE
MODU MODU presentation box — matte black with the brand mark in acid yellow on the lid. MODU MODU random tile pack — a sealed pouch with a question mark, included with every Round Bundle.

Round ring
+ 1 random pack.

€95
→ SHOP NOW

925 sterling · Hallmarked in Prague · Ships in 7–14 days · Tracked & insured · 14-day returns

THE STARTER 1 PACK €9
THE TRIPLE 3 PACKS €19 SAVE €8
THE STAR 5 PACKS €29 SAVE €16

One stud
Infinite combos

MODU MODU silver round ring with snap-on tiles tumbling — snap mechanic in action, on PAPER background

The base ring is engineered to a 1×1 stud interface — the same grid the world already builds with. Every MODU MODU tile snaps with a real audible click. Pressure-fit. No glue. No tools. Swap the face in two seconds.

  • Stud grid1×1 stud · building-block standard
  • Hold force≈ 6 N · audible snap
  • Tile thickness3.2 mm · low profile
  • Hallmark925 · Au750 · Prague CZ
  • Tile swap time2.0 seconds · no tools
  • Compatible tiles1×1 building standard

Ask first. Snap later

Pressure-fit 1×1 stud interface. Tile clicks on with 6N force, audible click, no glue, no tools. Tested 5,000+ wear cycles.
No. The 6N hold force is 5× normal hand contact pressure. Tiles only release when intentionally pulled upward. Tested in shower, gym, everyday wear. If one falls, we'll send a new one.
EU 50–64 (every even size). The base ring is sized to your finger; tiles are universal across all ring sizes. For sizing help, email build@modumodu.eu.
Designed in Karlín and hand-finished by master jeweler Jakub Linger in Prague, hallmarked at the Czech Assay Office (Ag 925). The tiles are our own — plastic, rubber, enamel and ceramic — built to a 1×1 building-block standard. MODU MODU is independent and not affiliated with, endorsed by, or sponsored by the LEGO Group.
14 days from delivery, unworn, in original packaging — full refund minus return shipping (EU customers: free return). 2-year warranty on the silver base. Lifetime tile replacement at production cost. Contact: build@modumodu.eu
Right now: round silver rings, hand-numbered, made in Prague. Round earrings are next — join the waitlist to be first. A square ring is in development too; no firm date yet. Everything uses the same 1×1 stud, so your tile packs work across every MODU MODU piece.
COPIED