 | 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 |  | | Durée | 1h 0 min. | | Date | 20.06.2014 | | Langue | |
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 | 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 | | | Durée | 0h 30 min. | | Date | 11.10.2013 | | Langue | |
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 | This is a simple catapult model built with some very common objects. This weapon of war was used in Greek and Roman Antiquity as well as in the Middle Ages. It could launch heavy stone bolders through a system of spring and without explosives. This DIYs project is a good way to introduce children to ... »
catapult, weapon, explosives, mechanics
| | Note |  | | Difficulté | | | Durée | 0h 30 min. | | Date | 09.09.2013 | | Langue | |
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 | The Pet Star water rocket car is an environmental friendly vehicle. A Pet bottle is used to stock air and water. The air is pressurised with a bicycle pump . The water is expelled because of this great pressure and pushes the car forward (action<>reaction principle). This DIYs project helps to ... »
rocket, pressurised, bicycle, pump, pushes
| | Note | | | Difficulté |  | | Durée | 10h 0 min. | | Date | 06.05.2013 | | Langue | |
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