Others

astrolabe astrolabe 2
Available
Others

Small Astrolabe

Science Track
Puz3D-Ast1
€8.50
The astrolabe was very used by sailors, namely to measure the height of the stars, such as the polar star and the sun, above the horizon.
nautilus nautilus 2
Available
Mini Puzzles 3D

Nautilus

Science Track
Puz3D-Nautilus
€7.50
The shape of the Nautilus' shell hides scientific secrets... Nature aplies some these secrets... see fibonacci series and how nautilus is a good example.
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