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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.

The three series: number of parts, build time and price
SeriesPartsBuild time
Alpha series28 to 641 hr to 2 hrs 30 min
Spectra series68 to 1322 hrs 30 min to 5 hrs
Omega series145 to 2806 hrs to 14 hrs

26 models

The full collection

26 models

Large Desk Chronograph

actual size 20 cm

Watchmaking, Omega series

Parts
240
Build
9 hrs
Level
Expert

Compact Hoberman Sphere

actual size 20 cm, open

Topology & Kinetics, Spectra series

Parts
132
Build
5 hrs
Level
Intermediate

Precision Ratchet Wheel

actual size 10 cm

Watchmaking, Alpha series

Parts
52
Build
2 hrs
Level
Intermediate

Compact Cardan Joint

actual size 8 cm

Power transmission, Alpha series

Parts
28
Build
1 hr
Level
Beginner

Miniature Differential

actual size 12 cm

Power transmission, Alpha series

Parts
64
Build
2 hrs 30 min
Level
Intermediate

Articulated Möbius Knot

actual size 14 cm

Topology & Kinetics, Alpha series

Parts
36
Build
1 hr
Level
Beginner

Teardrop Cam

actual size 10 cm

Teardrop Cam

€27.00

Power transmission, Alpha series

Parts
32
Build
1 hr
Level
Beginner

Paradoxical Gear

actual size 12 cm

Power transmission, Alpha series

Parts
42
Build
1 hr 15 min
Level
Beginner

Simple Anchor Escapement

actual size 12 cm

Watchmaking, Alpha series

Parts
48
Build
1 hr 30 min
Level
Beginner

Optical Iris Diaphragm

actual size 12 cm

Optics, Spectra series

Parts
68
Build
2 hrs 30 min
Level
Intermediate

High-Inertia Gyroscope

actual size 14 cm

Physics, Spectra series

Parts
72
Build
3 hrs
Level
Intermediate

Earth-Moon Orrery

actual size 22 cm

Astronomy, Spectra series

Parts
120
Build
5 hrs
Level
Advanced

Torsion Pendulum

actual size 12 cm

Watchmaking, Spectra series

Parts
95
Build
4 hrs
Level
Advanced

Perpetual Lunar Calendar

actual size 14 cm

Astronomy, Spectra series

Parts
88
Build
3 hrs 30 min
Level
Intermediate

Sequential Gearbox

actual size 18 cm

Power transmission, Spectra series

Parts
130
Build
5 hrs
Level
Advanced

Desk Sextant

actual size 20 cm

Desk Sextant

€40.50

Astronomy, Spectra series

Parts
105
Build
4 hrs
Level
Intermediate

5-Cylinder Radial Engine

actual size 22 cm

Thermodynamics, Omega series

Parts
220
Build
10 hrs
Level
Expert

Large Hoberman Sphere

actual size 30 cm, open

Topology & Kinetics, Omega series

Parts
168
Build
7 hrs
Level
Advanced

Atlas Clock

actual size 35 cm

Atlas Clock

€85.50

Watchmaking, Omega series

Parts
280
Build
14 hrs
Level
Expert

Desk Chronograph

actual size 16 cm

Watchmaking, Omega series

Parts
175
Build
7 hrs
Level
Expert

Solar Orrery

actual size 30 cm

Solar Orrery

€76.50

Astronomy, Omega series

Parts
230
Build
10 hrs
Level
Expert

Kinetic Wave Automaton

actual size 30 cm

Topology & Kinetics, Omega series

Parts
155
Build
6 hrs
Level
Advanced