Mobtabo, a wooden construction system, including pins. Manufactured by ‘Vos & Vos C.V.’ in Kampen, The Netherlands.

---

Patented

The game is patented in Germany in July 1949 by the manufactures. Most likely it’s never sold as a product. The manufacture even tries to sell the patent (source: Delpher: advertisment from 1953 “De Telegraaf”).

Boxes

According the manual, there are 3 different boxes.
Box sizes: Box 0: 53 pieces, box 0a: 96 and box 1: 149 pices.

---

Parts

The system consists of different columns with groves and some plates. All nice metric dimensions, which actual fits well. Including the pins, a well defined construction could be build. No clue about lengte of metal(?) pins. Most likely metal nails with diameter of 2 [mm] and 10 till 15 [mm] long.

---

Manual

Photographs of manual for boxes 0 and 1:

The manual is printed by “Koopman te Kampen”.
If you would like to share a propper scanned manual…

---

Some system characteristics

Here a short list of some system characteristics and how it’s retrofitted into the virtual LeoCAD library:

Part types:	Original:	Virtual:
Columns	Wood Square <14.3-14.3>	Single color pieces 14.5×14.5
Columns	Wood Square <19.3-20>	Single color pieces 20×20
Plates	Wood Thickness: <3-3.5>	scaled
Hole Bay size	D: 2[mm] each 10 [mm]	10 [mm]
LeoCAD settings:
	Draw line every X studs	–
	Snap XY	1 [mm] 1/20 stud
	Snap Z	1 [mm] 1/20 stud
	Rotations	45/90 [deg]

These columns have big tolerances, compared to many other systems.

---

Library information

Here an overview of the parts library:

---