Welo is an invention of Louis Weytjens (WEytjens LOuis) in fact it was intended to build houses with this construction system, without using cement. The interconnections between the stones are made via dovetail joints.

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Batima construction toy.

Batima is an invention of the Belgian Louis Cousin, he has applied for a patent in 1923 for Belgium and in 1924 for France. The application was made for a period of 20 years.

We are happy to announce that our site has been restyled and relaunched today on 15/05/2019. Due to the considerable growth of our collection, a new presentation of our collection was developed.