Children like toys, a good toy can play a role in enlightening education, developing intelligence and increasing knowledge. Toys develop children's thinking and stimulate children's fun. Now the sale of every kind of play with the sky can fly, run, can have the ground colour is gorgeous, playing patience, an endless enjoyment. Many toys also melt into the sound, light, electricity, modern science and technology, played a long playing wisdom, wisdom in the role of music, even adults also fondle admiringly.
With the emergence of new toys, toys with loud noises are becoming more and more harmful to infants and young children. Although it is not yet possible to measure the sensitivity of infants and toddlers to sound, there is evidence that children are more sensitive to sound than adults, a Swedish research institution said in a report. If children's toys make a lot of noise, they can have disastrous consequences for babies. Some children play with submachine guns, artillery, tanks and other toys, within 10 centimeters, the noise will reach more than 80 decibels.
The size of the noise is measured in decibels. Our ordinary conversation is 30~40 decibels, louder than 80 decibels, loud speakers or 90 decibels. 40 decibel voice has no adverse effects on children; more than 70 decibels can cause damage to the auditory system of children; when reached 80 decibels, the child will feel noisy uncomfortable; if the noise often reaches 80 decibels, children will have headaches, dizziness, tinnitus, emotional tension, memory loss and other symptoms. The healthy growth of infants and young children needs a quiet and comfortable environment. If they are stimulated by noise for a long time, they will become excited, lack of tolerance, lack of sleep, lack of concentration and so on.
One of the seven types of children "s toys (such as manned electric toy car, toy, toys and other spring inertia) noise level were tested, several of the following numbers had surprised us:
The noise emitted by toy motors is 82~100 decibels within 10 centimeters.
Large music guns within 100 cm range of noise value of 74~107 decibels, * up to 130~140 decibels.
An air compressed toy that can be compressed and compressed. It can reach 78~108 decibels at a distance of 10 centimeters.
The average noise value of firecrackers within 3 meters is 125~156 decibels.
Among them, the sound level of manned electric toy cars is 74~97dB. This kind of toy car appears in the amusement park of the park or shopping mall.
The sound level of inertial children toys is low, which is 52~81dB. But most children's toys have a sound level of over 60dB.
They remind us young parents to children in the choice of toys, attention must be paid to the infant's physical and mental development and health, sound toys should be controlled at 70 decibels, to avoid long time in infants with firecrackers, loudspeakers, electric drills and other high noise environment, high volume less play toys, food eat whole grains, peanuts, soybeans and fish, meat, eggs, milk and other B vitamins and protein rich. We also call on toy manufacturers to produce toys that are low noise and fit for children's body and mind.
