Perfect for setting the tone for Halloween in your home

der kan være gode eller dårlige

Illustreret overalt med mikrofoto (billeder taget gennem et mikroskop) og komplet med en reproducerbar form til dokumentation af prøver

og endda som en sjov tilføjelse til dit kontor snack stash

engino discovering stem cams cranks kit 192x59mm Perfect for setting the toneLearn how you can transmit power using cams and cranks and how they can be used to convert reciprocal to linear motion. Discover how these mechanisms are crucial elements of many machines even though they are not considered as "Simple Machines". Build 8 working models of cams & cranks such as a fishing crane, an oil pump, a moving figure, a moving bridge, a sewing machine and a flying eagle. You can find easy to follow building instructions for all