actual size 10 cm
Precision Ratchet Wheel
€34.20
Watchmaking, Alpha series
- Parts
- 52
- Build
- 2 hrs
- Level
- Intermediate
The collection
26 models in three series, from a 28‑part kit to a 280‑part one. Compare the series in the table, or filter by type and difficulty.
| Series | Parts | Build time | Price |
|---|---|---|---|
| Alpha series | 28 to 64 | 1 hr to 2 hrs 30 min | €27 to €34.20 |
| Spectra series | 68 to 132 | 2 hrs 30 min to 5 hrs | €36 to €46.80 |
| Omega series | 145 to 280 | 6 hrs to 14 hrs | €49.50 to €85.50 |
26 models
26 models
Alpha series
8 models: 28 to 64 parts, 1 hr to 2 hrs 30 min to build, €27 to €34.20
Mechanisms that are easy to read: a transmission, a cam, an escapement. You build one in an evening and see straight away what drives what.
actual size 8 cm
Compact Cardan Joint
€31.50
Power transmission, Alpha series
- Parts
- 28
- Build
- 1 hr
- Level
- Beginner
actual size 12 cm
Miniature Differential
€34.20
Power transmission, Alpha series
- Parts
- 64
- Build
- 2 hrs 30 min
- Level
- Intermediate
actual size 14 cm
Articulated Möbius Knot
€27.00
Topology & Kinetics, Alpha series
- Parts
- 36
- Build
- 1 hr
- Level
- Beginner
actual size 10 cm
Teardrop Cam
€27.00
Power transmission, Alpha series
- Parts
- 32
- Build
- 1 hr
- Level
- Beginner
actual size 12 cm
Paradoxical Gear
€28.80
Power transmission, Alpha series
- Parts
- 42
- Build
- 1 hr 15 min
- Level
- Beginner
actual size 10 cm
Power transmission, Alpha series
- Parts
- 38
- Build
- 1 hr 15 min
- Level
- Beginner
actual size 12 cm
Simple Anchor Escapement
€34.20
Watchmaking, Alpha series
- Parts
- 48
- Build
- 1 hr 30 min
- Level
- Beginner
Spectra series
9 models: 68 to 132 parts, 2 hrs 30 min to 5 hrs to build, €36 to €46.80
Instruments and multi-axis mechanisms: sextant, planetarium, Stirling engine, gearbox. Allow an afternoon or two.
actual size 12 cm
Optical Iris Diaphragm
€36.00
Optics, Spectra series
- Parts
- 68
- Build
- 2 hrs 30 min
- Level
- Intermediate
actual size 14 cm
High-Inertia Gyroscope
€36.00
Physics, Spectra series
- Parts
- 72
- Build
- 3 hrs
- Level
- Intermediate
actual size 22 cm
Earth-Moon Orrery
€46.80
Astronomy, Spectra series
- Parts
- 120
- Build
- 5 hrs
- Level
- Advanced
actual size 12 cm
Torsion Pendulum
€37.80
Watchmaking, Spectra series
- Parts
- 95
- Build
- 4 hrs
- Level
- Advanced
actual size 16 cm
Thermodynamics, Spectra series
- Parts
- 110
- Build
- 4 hrs 30 min
- Level
- Advanced
actual size 14 cm
Perpetual Lunar Calendar
€36.00
Astronomy, Spectra series
- Parts
- 88
- Build
- 3 hrs 30 min
- Level
- Intermediate
actual size 18 cm
Sequential Gearbox
€43.20
Power transmission, Spectra series
- Parts
- 130
- Build
- 5 hrs
- Level
- Advanced
actual size 20 cm
Desk Sextant
€40.50
Astronomy, Spectra series
- Parts
- 105
- Build
- 4 hrs
- Level
- Intermediate
actual size 20 cm, open
Compact Hoberman Sphere
€42.00
Topology & Kinetics, Spectra series
- Parts
- 132
- Build
- 5 hrs
- Level
- Intermediate
Omega series
9 models: 145 to 280 parts, 6 hrs to 14 hrs to build, €49.50 to €85.50
The longest builds in the catalogue: clocks, chronographs, radial engine, orrery. Plan several sessions.
actual size 14 cm
Watchmaking, Omega series
- Parts
- 195
- Build
- 9 hrs
- Level
- Expert
actual size 22 cm
5-Cylinder Radial Engine
€72.00
Thermodynamics, Omega series
- Parts
- 220
- Build
- 10 hrs
- Level
- Expert
actual size 30 cm, open
Large Hoberman Sphere
€65.00
Topology & Kinetics, Omega series
- Parts
- 168
- Build
- 7 hrs
- Level
- Advanced
actual size 35 cm
Atlas Clock
€85.50
Watchmaking, Omega series
- Parts
- 280
- Build
- 14 hrs
- Level
- Expert
actual size 16 cm
Desk Chronograph
€63.00
Watchmaking, Omega series
- Parts
- 175
- Build
- 7 hrs
- Level
- Expert
actual size 30 cm
Solar Orrery
€76.50
Astronomy, Omega series
- Parts
- 230
- Build
- 10 hrs
- Level
- Expert
actual size 20 cm
Watchmaking, Omega series
- Parts
- 145
- Build
- 6 hrs
- Level
- Advanced
actual size 30 cm
Kinetic Wave Automaton
€49.50
Topology & Kinetics, Omega series
- Parts
- 155
- Build
- 6 hrs
- Level
- Advanced
actual size 20 cm
Large Desk Chronograph
€79.50
Watchmaking, Omega series
- Parts
- 240
- Build
- 9 hrs
- Level
- Expert
Bundles
Several models from the same family in one bundle, cheaper than buying the kits separately.
-11%
Discovery Set
Articulated Möbius Knot + Teardrop Cam: an endless loop to play with, and a cam that turns rotation into reciprocating motion. The ideal pair for a first build.
Contains
- Articulated Möbius Knot
- Teardrop Cam
€48.06€54.00
Save €5.94
-11%
Celestial Navigation Set
Perpetual Lunar Calendar + Desk Sextant: follow the Moon day by day, then measure its height above the horizon. The navigator's two instruments, together.
Contains
- Perpetual Lunar Calendar
- Desk Sextant
€68.09€76.50
Save €8.41
-10%
Applied Physics Set
Optical Iris Diaphragm + Stirling Engine Demonstrator: light tamed by twelve blades, the thermal cycle broken down piston by piston. Two physics instruments to build, then to run.
Contains
- Optical Iris Diaphragm
- Stirling Engine Demonstrator
€68.85€76.50
Save €7.65
-10%
Haute Horlogerie Set
Giant Watchmaker's Tourbillon + Desk Chronograph: the two queens of watchmaking complications, the rotating cage and the split-seconds, built with your own hands.
Contains
- Giant Watchmaker's Tourbillon
- Desk Chronograph
€117.45€130.50
Save €13.05
-13%
Grand Workshop Set
Sequential Gearbox + Kinetic Wave Automaton + Desk Chronograph: transmission, motion and timekeeping. Three complementary builds, our most ambitious set.
Contains
- Sequential Gearbox
- Kinetic Wave Automaton
- Desk Chronograph
€135.46€155.70
Save €20.24