Assembling a hand-crank flashlight
Learn how to assemble a hand-cranked flashlight with a rechargeable battery in the company of your children. In doing so, toddlers are immersed in simple, scientific and practical learning.
Publish at June 23 2025 Updated June 23 2025
When learning is hands-on, you're never disappointed. With the hydraulic elevator, learners have the opportunity to acquire useful new knowledge in mechanics and hydraulics.
This type of elevator uses a hydraulic system to move a car between floors of a building. In practice, hydraulic fluid is pumped into a cylinder to push a piston upwards. With this kit, the learner is asked to assemble his or her own hydraulic lever (a mechanical device using hydraulic pressure to lower or lift a load).
The learner is expected to:
By familiarizing themselves with this process, they will acquire knowledge about :
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