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Printmaking simplified

This DIYs project demonstrates the principles of printmaking.   Without the tools or materials used for linocut, this DIYs project creates prints that children can still be proud of.   As the materials used are very simple and inexpensive, it is possible to create a great number of prints and ... »
inexpensive, geneva, curious
Note
Difficulté
Durée1h 0 min.
Date20.06.2014
Langue(s)
français english

Roman/Arab numerals conversion disk

This disk converts Roman numerals into Arab numerals and vis versa. Learning Roman numerals is a good way to exercise logic and counting. Even if Roman numerals are no more in use today, they can still be found in our daily lives, on monuments, watch dials, to number book chapters, to date films, ... »
converts, versa, dials, geneva, curious
Note
Difficulté
Durée0h 30 min.
Date11.10.2013
Langue(s)
français english

Solar boat 2

Concept   Building a solar boat is a good way too experiment the use of photovoltaic solar cells. Solar boats are an ecological means of transportation because they use the sun, a renewable and environmental friendly energy. In order to navigate by night and when the sun is too weak, solar boats ... »
experiment, photovoltaic, ecological, renewable, batteries
Note
Difficulté
Durée3h 30 min.
Date16.05.2013
Langue(s)

Solar boat

Building a solar boat helps to understand how photovoltaic solar cells can be used to produce electricity. Toy using solar cells represent often machines that do not exist or which are not logical. It is not uncommon indeed to find toys of helicopters or windmills powered by photovoltaic cells. ... »
photovoltaic, windmills, powered, geneva
Note
Difficulté
Durée3h 0 min.
Date14.05.2013
Langue(s)
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