3dwoodenmodels
3D Wooden Marble Run DIY Assembly Mechanical Gear Engineering Model: Steam Science Experiment Educational Kit Toys for Children
3D Wooden Marble Run DIY Assembly Mechanical Gear Engineering Model: Steam Science Experiment Educational Kit Toys for Children
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SPECIFICATIONS
Brand Name: NoEnName_Null
Certification: CE,UL
Choice: yes
Gender: Unisex
Hign-concerned Chemical: None
Material: Wood
Model Number: /,YYB-0623
Origin: Mainland China
Quantity of Items in Set: Other,-
Recommend Age: 12+y,18+,14+y
Scale: 1:16
Theme: Rollercoaster
Type: Run Gear Transmission,Orbital ball
Warning: Nonw,Nonw
semi_Choice: yes
Features:
.Lightweight wood, resistant to falling, durable, laser cut, smooth and burr-free
.Product card slot is accurate, splicing is smooth, explore the fun together, find the corresponding parts on the board, remove the parts along the laser cutting edge, do not use too much force, follow the instructions, splicing parts for model assembly
.After assembling, it can be mechanically oscillated to drive the steel ball to roll through the interlocking gear levers and rails (prepare 1 x AA battery and glue by yourself)
.Logic thinking ability, hands-on ability and concentration can be exercised during the assembly process, suitable for over 14 years old
Specifications:
.Color: As Shown
.Material: Wood
.Product Dimensions: 19.4 x 16 x 10cm
.Packing: OPP Bag
Package Content:
.32 x Wooden 3D Puzzles
.5 x Steel Balls
Shipping & Delivery
Shipping & Delivery
The time frame for order delivery is divided into two parts.
Processing time refers to the time it takes to conduct order verification, tailoring, quality check, and packaging. All orders are sent to our suppliers for dispatch within 24 hours after the order is placed. Order processing takes an additional 2–4 days.
Shipping time refers to the time it takes for items to be shipped from our warehouse to the destination. International delivery usually takes about 15–30 business days. Domestic delivery usually take between 7-14 business days. Note that due to unforeseeable circumstances, items can take longer to arrive at their destination from time to time.
Returns
Returns
Our return and exchanges policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
Care Guide
Care Guide
Store your jewelry in a dry and clean place, preferably in a soft pouch or box to prevent scratching...
