Ruth Schildhauer

 

Ruth Schildhauer

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Cover für Elektro & Co.
Rainer Köthe,Ruth Schildhauer

Elektro & Co.

Electricity & Magnetism

From an alarm system via an electric motor to the Morse telegraph, all these devices can be built using this kit.
More information
39,99 €
incl. VAT
Cover für Zauber-Kristall
Rainer Köthe,Ruth Schildhauer

Zauber-Kristall

Grow amazing crystals that change color!
More information
9,99 €
incl. VAT