ROKR 3D Puzzles for Adults Wooden Marble Night City DIY Model Craft Kit

Package Contain:
Plywood, English instructions, other accessorieswithout wax.
Because wax is forbbiden on international shipping, we have to take it out. please prepare it by yourself.

Number of Pieces : 294
Age Range (Description) : Adult
Theme : Marble Night City
Material    : Engineered Wood

[ All New Marble Run Model ] - The 294-pcs 3D Wooden Puzzle Model Kit is inspired by Rube Goldberg Machine, aiming to watch marbles racing down slides full of crazy twists and turns through tricky & fun devices!
[ Multiple Ways to Play ] - This wooden building set will bring you highly satisfying and educational user experience. Rotate the crank, steel marbles shall follow 3 different paths to achieve gravity fall. Every accidental or doomed choice of path will create dozens of fun to watch.
[ Elaborate Structure Design ] - Black-grey appearance, combined with metal silk-printed technology, retain the wood grain while giving it a metallic texture. Full of well-designed mechanisms and small tricks, like funnel type rotary acceleration device, swinging ball separator, etc.
[ Assembly Tips ] - Non-toxic and natural plywood sheets, together with illustrated English instructions, and necessary spare parts in case. Just be patient and after 7 hours you will make it. We are willing to offer assistance when you meet problems.
[ STEM Project & Nice Gifts ] - Focused on the assembly is favorable to learn the fundamentals of engineering, improve kids' hand-eye coordination. This marble run craft kit becomes one well-received gift choice no matter for adults, also teens, boys, girls, let alone puzzle enthusiasts.

1. Please contact us anytime if you have any questions on payment.
2. Payment must be made within 48hrs of the auction end time. 
1. We will ship your item(s) within 2working day.
2. We send to USA ,2-8 working days.
3. Item transit time is provided by the carrier and excludes weekends and holidays. Transit time may vary, particularly during the holiday season. This is out of our control. If you have not received your item, please contact us. We will track and help you solve problem. Thank you for your understanding. 

We stand behind every product we sell. If you're not pleased with your purchase, we'll be happy to make an exchange or refund the product price less S&H within 14 days of your purchase.

For any exchange or refund, we need the original receipt or a record of the purchase in our system, and the product must be in its original condition, including the box, UPC bar code, packaging, and all accessories.

Please allow up to 10 business days for returns to be processed.

Shipping and handling charges are not refundable.

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