The 4M Magic Nails Research Kit will surprise your friends with its anti-gravity technique. A set of young magicians for children from 5 years old gives the opportunity to perform a trick with nails, which can be scientifically explained.
You will be able to balance 10 nails on top of one without glue and magnets. How to do it? Place the base on the table in front of the audience and insert one nail into the hole in the base. Take the second nail and place it on the table. Then take another nail and place it on the previous one at a right angle, as shown. Put another nail in the same way, but with the tip in the other direction. Continue to add nails, alternating their directions, until you have one nail left. Place it on top in the opposite direction to the bottom. Squeeze the whole structure with your fingers, gently lift it by the ends and place the middle on the cap of the nail standing on the base. The design will maintain balance. Applause!
How does this trick work? Every object has a point called the center of gravity. The nail is in the middle. An object maintains balance (does not roll over) if its center of gravity is above the fulcrum. The construction of nails can be considered a single object. Because the side nails are inclined, the center of gravity of the structure is actually below the fulcrum. This makes the whole design stable and balanced.
It is not an easy task to interest children in science and tear them away from gadgets nowadays. The Science series introduces the concept of equilibrium through an interesting physical experiment. Develops curiosity, imagination, thinking, outlook, confidence, agility. Gives positive emotions from the game and new knowledge of physics.
