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Kids Puzzle DIY Stethoscope Science Popularization Doctor Assemble Toy Gift S1

$ 3.85

Availability: 100 in stock
  • MPN: Does Not Apply
  • Step 2: Fix the elastic support and soft earplugs.
  • Return shipping will be paid by: Buyer
  • Color: Yellow,Red(Random Color)
  • Toy type: Puzzle assemble toy
  • Item must be returned within: 30 Days
  • Restocking Fee: No
  • Step 1: Fix the vibrating diaphragm sheet into the probe head.
  • Net weight: 40g/set
  • Brand: Unbranded
  • All returns accepted: Returns Accepted
  • Material: Plastic
  • Step 3: Assemble sound transmitting pipe.
  • Product size: 83 X 11cm/32.68 X 4.33"
  • Refund will be given as: Money Back
  • Condition: New

    Description

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    Product Description
    Description:
    Kids Puzzle DIY Science Stethoscope Popularization Toy Children Simulation Stethoscopes Doctor Assemble Toys Gifts
    Knowledge:
    The stethoscope is used two principles: vibration produces sound, and sound is vibration. There is a vibrating sheet in front of the stethoscope. The stethoscope will vibrate follow the Human organs. The vibrating sheet vibrates to produce sound, which can be transmitted in solids. So the sound passes through the solid to the ear by vibrating sheet.
    Sound is the propagation of vibration, which is absorbed by the air as it transmits forward in the air, so it does not transmit very far, but in some solid object it can spread far. In ancient times, there was a method of "Hear the sound from the ground", which was used to judge the enemy's situation, and from the tracks we could hear the trains coming far away. This was the principle of the earliest stethoscopes, using solids to transmit sound. It is the working principle of stethoscope that the sound to transmit centrally in the air in the tube, reducing the dispersion of sound and increasing the loudness.
    Features:
    It can help your kids understand the structure of stethoscope.
    And know the application of stethoscope in the life.
    Specifications:
    Toy type: Puzzle assemble toy
    Material: Plastic
    Product size: 83 X 11cm/32.68 X 4.33"
    Net weight: 40g/set
    Color: Yellow,Red(Random Color)
    Assemble Steps:
    Step 1: Fix the vibrating diaphragm sheet into the probe head.
    Step 2: Fix the elastic support and soft earplugs.
    Step 3: Assemble sound transmitting pipe.
    Step 4: Fix all the components into the corresponding positions in the sound transmitting pipe,it finished.
    Note:
    1. The product is not with the battery,its accessories is random color.
    2. Containing small accessories, please take care of the baby to avoid swallowing.
    3. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
    4. Please allow 1-3cm measuring deviation due to manual measurement.
    Included:
    1set X Stethoscope Assemble Toys
    pictures
    payment
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    NOTE:
    Import duties, taxes and chargers are not included in the item price or shipping charges. These charges are the buyer's responsibility.
    Please check with your country's customs office to determine what these additional costs will be prior to bidding buying.
    Warranty
    12 months Warranty. Buy with confidence!
    If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back. Please contact me before you return it.
    If item is defective in 3 months, We will send you a replacement without extra charger, or offer refund after we receive the defective item.
    If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.
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