 | Building this very special Anti-monster flash light & buzzer is a nice way to experiment an electrical circuit a bit more complex than the usual battery/bulb/switch one. Beware that once completed, this is a very noisy device... This project uses a very energy efficient LED (light emitting ... »
flash, experiment, bulb, noisy, emitting
| | Rating |  | | Difficulty |  | | Duration | 2h 0 min. | | Date | 20.07.2022 | | Language | |
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 | This pantograph can copy a drawing about 1.5 times larger than the original size. Easy to make, it's a nice project to introduce the concept of scale and some notions of geometry.... »
pantograph, geometry
| | Rating | | | Difficulty | | | Duration | 2h 0 min. | | Date | 20.07.2022 | | Language | |
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 | Why not build a magnetic alarm to protect your room or your drawers from any intrusion ! This project is an electronic device which detects the proximity of a magnet. If the magnet is moved away, the alarm will ring.... »
intrusion, detects, proximity, magnet
| | Rating | | | Difficulty |  | | Duration | 2h 0 min. | | Date | 20.07.2022 | | Language | |
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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 project helps to ... »
rocket, pressurised, bicycle, pump, pushes
| | Rating | | | Difficulty |  | | Duration | 10h 0 min. | | Date | 20.07.2022 | | Language | |
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 | Building a vegetable oil stirling engine helps to demonstrate different scientific properties: Expansion and condensation of the air under the influence heat Principle of operation of a piston Conversion of thermal energy into motion Use of a bio-fuel This project shows a simple prototype of a ... »
stirling, condensation, piston, prototype, steam
| | Rating | | | Difficulty |  | | Duration | 3h 0 min. | | Date | 20.07.2022 | | Language | |
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