See All Categories

Learn More


Current Page
  1. Home
  2. Supsocsem

Goldland Hoop Rail / Science Gifted / Teaching Materials / After School / Goldberg(International shipping available)

Basic Information
Manufacturer Self-production
Country of Origin 한국
Price $10.50
Reward Points $60.00
Product Code P00000PV
수량 수량증가수량감소

To use or earn Naver Mileages, please check out through personal payment window.

Product Option
Select item with details above
Product List
Name Quantity Price
Goldland Hoop Rail / Science Gifted / Teaching Materials / After School / Goldberg up down 10.5 (  60.00)
Price(Quantity) : 0 (0 item)

Discounted amount of your subtotal will appear when you place your orders.

Deals





★ Download parish materials from the library.
* The copyright of the images and videos is owned by the Forest Spring. Unauthorized use may cause responsibility for use. (See copyright law)








This device uses inertia and gravity to connect marbles to other devices.


"Hoop rail"




Material

Corrugated cardboard, Plastic, etc.




Components

Switch body, Switch guard rail, Snap button, First slope board, Second slope board, Switch support, 

Hoop fixing board, Hoop wheel, Switch, middle Rail, middle Rail guard








Goldberg connector.

If a ball from another device falls into the hoop, the hoop rolls, dropping the ball into the groove in the middle rail.

The ball rolls over the middle rail and activates another device.

It can be used between an F-3 rubber car and an F-5 domino and can also be used in other devices, depending on the situation.



























'Hoop railPrinciple of Science




Potential energy by gravity : The property of an object trying to continue in a state of stationary 

                                 or constant motion unless it is subject to external forces.


Gravity : The force by which objects on the earth are drawn toward the center of the earth.


Inertia : The force by which objects on the earth are drawn toward the center of the earth.

























1 step. Make a hoop


① Fold the hoop retaining board along the fold line as shown in the illustration.


② Fit the hoop fixing board into the groove on the hoop wheel.


③ Fold the hook into the groove of the wheel and fasten it with a snap button.












2&3 step. Make the first rail and the second rail


①Fold the first rail along the fold line and secure it with a snap button.


&


① Fold the second rail along the fold line and secure it with a snap button.












4 step. Make a middle rail


① Fold the middle rail along the fold line and fix it with snap button.


② Assemble the rail guard into the middle rail groove.












5 step. Make a switch


① Fold the switch body and switch support along the fold line.


② Fit the switch into the groove in the body as shown in the picture.


③ Assemble the switch support into the groove under the body.












6 step. Make a hoop rails


① Install the intermediate rail between the first rail and the second rail as shown.


② When rolling the hoop, check that the groove of the hoop fits into the middle rail.

Then lay over the first rail groove.


③ Install the switch next to the hoop.


④ Lift up the switch installed on the switch body and align the marbles with the grooves.












7 step. Operating Hoop Rails


① Touch the dominoes.

*The hoop is rolled onto the second rail and the marbles is lowered to the intermediate rail to activate the next connector.


② The switch is activated so that the marbles enter the hoops on the switch rails.


③ As the marbles falls, the hoop rolls, dropping the bead onto the middle rail.










 










Payment

We accept the following forms of payment:
- Credit Card
  - Visa
  - MasterCard
  - American Express
  - Discover
- PayPal

Shipping

Please take into consideration that some products may take additional time for delivery and processing.
Important: Your order is shipped once your payment has been cleared. Please contact our customer service center if you would like to request an exchange or return on your order.

- Customs and Duties

The recipient will be held responsible for international shipments which may be subject to import duties and taxes. Please be advised that these charges are levied by the destination country and we do not have control over them. In the case that the recipient refuses to receive the parcel, the order will be returned to Korea and will not be re-shipped. Relevant expenses (round-trip shipping, customs, etc.) will be deducted from the refund.

Returns & Exchanges

1. Requirements:

Please take into consideration that we only accept qualifying returns but not exchanges. Refunds are issued once the returned products clear our inspection.

1) An item is eligible for cancellation if:
-you posted a Return request within 24 hours of payment and your order is still under “Pending” status (if your order is under “Queued for Shipment” status, please contact our customer service center) or
-the order is delayed for more than 10 days since payment and you have not received any notification regarding the delay; or
-the ordered item is out of stock.

2) We accept return(s) if:

-you receive a product different from your order; or

-you receive a defective product.

**Return Instructions

(1) Post a return request on our Return forum within three days of receipt. You are required to attach the photos of the received product(s) and include the item code, the order number, and the reason for the return.

(2) A customer service representative will be in contact to assist you by email or phone.

(3) Items returned must be in their original condition, which includes tags and any packaging. Also, you need to include a note of your order number, name, and user ID.

*Please be advised that returns are accepted ONLY IF you followed the instructions above and your return request has been approved by our staff. Returns that are shipped to us without any prior consent are not accepted.

*Please note that EVEN the defective/incorrect item(s) must be returned with all of the tags and labels intact. The item(s) must be sent in their original packaging and unworn.

*Please include all contents of the original package and free gifts (if applicable) in your return packaging.

* Shipping fee for any return caused by our fault will be paid by the company. However, if EMS’ cash on delivery is not possible then you can scan the return receipt and either mail it with the item to return or post an image of it on the forum. The shipping fee will be refunded once the returned item has arrived.

3) We do not accept return(s) if:

-you are returning the items just because you changed your mind (on size, color, etc.)
-you are returning shoes, bags, or any other accessories
-the products are damaged due to your mishandling
-your return request is not approved by our staff

The following items are not considered defective:

* Items that are originally manufactured without tags or labels
* Items with creases that may have been made while shipping
* Items with unsatisfactory/incomplete finish due to mass production

4) If there is a missing item from your order:

*Contact our customer service center by phone or by forum (if you cannot reach us by phone) within 1 day of delivery.
*Please keep all contents of the original package including packaging material (boxes, plastic bags etc.) with you until you are instructed otherwise.

Please note that we may not be able to process the refund for your missing item if you lose or damage any packaging material.

Review

Write See All

There are no posts to show

Question

Write See All

There are no posts to show




WORLD SHIPPING

PLEASE SELECT THE DESTINATION COUNTRY AND LANGUAGE :

GO
close