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Hydrodynamic Manta Ray with adjustable fins for playing underwater

Hydrodynamic Manta Ray with adjustable fins for playing underwater

14,99€
14,99€ 14,99€
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  • Express shipping 48/72h +5,99€
  • 25% Off Buying 2 or More! Add 2 sets to cart to see it applied
  • Cash on delivery available for express deliveries (+2.99€)

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Hydrodynamic Manta Ray

The hydrodynamic manta ray helps children understand the mechanisms that make it float, how it does so at a greater or lesser speed and the direction in which it goes. It also helps them learn to dive to see the route.

It works thanks to the water pressure, when you hold the stingray on the ground with your hand or foot it stays still, but when you release it it starts to move forward.

The fins can be rotated to make it turn sideways or rise earlier or later. The stingray measures 24 x 15 x 2.2 cm.

It is designed for swimming pools, although it can be taken to rivers, the sea and other places if the currents are not too strong.

  • Packaging with less cardboard to reduce its use and the size of the shipment
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The importance of reducing screen time

They harm the eyesight

Too much screen time strains the eyeballs and can create/aggravate vision problems, especially in children.

The blue light emitted by screens is the cause, and it is more dangerous when the screen is close to the eyes.

Concentration problems

Much of the content on social media (especially that made for children) is designed to achieve the longest possible consumption time, which creates the habit of spending hours switching from one video to another without using creativity.

If the brain gets used to receiving dopamine simply by looking at a screen, it will be increasingly difficult to entertain itself with things that require effort.

Lower quality of sleep

Prolonged use of screens during the day keeps the brain active and makes it difficult for it to enter "rest mode" and maintain it at night (in both adults and children).

Other articles and studies

ABC - The risks of excessive screen use in children

Mental Health Forum Madrid - The danger of overexposure to screens

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