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. Genuine LEGO® 1×1 round tiles. 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

Sterling silver base. One stud. Tap a colour and the tile changes. The ring stays. That's the whole point.

01/15 Red
MODU MODU silver ring with a red tile

Your hand.
Your mood.

How people wear theirs, day to day. Tag @modumodu.eu and your build could end up here.

IRL 01On hand
IRL 02The swap
IRL 03Tile drawer
IRL 04Out there
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, Memphis, Bauhaus, acid house and other documented palettes.

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

or pay later with Klarna

925 sterling · Hallmarked in Prague · Ships in 7–14 days · Free size exchange · 14-day returns

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
  • HallmarkAg 925 · Czech Assay Office
  • 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. Wrong size? We remake it free. 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 genuine LEGO® 1×1 round tiles, curated by us into palettes. 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