--- product_id: 74003752 title: "Perpetual Calendar 3D Wooden Puzzles/Mechanical Models/Propelled Model Mechanical Model Construction Kits For Teens and Adults" brand: "rokr" price: "€ 54.35" currency: EUR in_stock: true reviews_count: 13 category: "Rokr" url: https://www.desertcart.gr/products/74003752-perpetual-calendar-3d-wooden-puzzles-mechanical-models-propelled-model-mechanical store_origin: GR region: Greece --- # Perpetual calendar function Laser-cut natural wood Sophisticated mechanical gearing Perpetual Calendar 3D Wooden Puzzles/Mechanical Models/Propelled Model Mechanical Model Construction Kits For Teens and Adults **Brand:** rokr **Price:** € 54.35 **Availability:** ✅ In Stock ## Summary > ⚙️🪵 Own Time: Build Your Future, One Gear at a Time ## Quick Answers - **What is this?** Perpetual Calendar 3D Wooden Puzzles/Mechanical Models/Propelled Model Mechanical Model Construction Kits For Teens and Adults by rokr - **How much does it cost?** € 54.35 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/74003752-perpetual-calendar-3d-wooden-puzzles-mechanical-models-propelled-model-mechanical) ## Best For - rokr enthusiasts ## Why This Product - Trusted rokr brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Gift of Genius:** Perfect for millennials who crave meaningful, hands-on projects and unique décor. - • **Mechanical Mastery:** Intricate gear system that calculates future and past dates with precision. - • **Timeless Craftsmanship:** Elegantly laser-cut wooden pieces for a premium tactile experience. - • **DIY Intellectual Escape:** Engaging 4-6 hour assembly challenge that sharpens patience and creativity. - • **Eco-Chic Desk Statement:** A vintage-style perpetual calendar that doubles as a stylish workspace centerpiece. ## Overview The ROKR Perpetual Calendar is a sophisticated 3D wooden puzzle featuring laser-cut plywood pieces and a mechanical gear system that accurately calculates days of the week for any date. Designed for teens and adults, this eco-friendly DIY kit offers a 4-6 hour assembly experience that combines intellectual challenge with vintage aesthetic, making it a standout decorative and educational piece for home or office. ## Description Product Description ROKR , founded in 2007, is a world famous brand that focuses on 3D Wooden puzzle, Toys and Wooden Handcrafts. It integrates the beauty of machinery and scientific exploration to meet the eager-to-learn spirit of the intellectual enthusiasts who advocate science and technology, freedom and creativity. No matter what you are a Model Building lover or a beginner, here is a good choice for you to explore Mystical DIY World !!! Mechanical Gears, with detailed patterns, a stylish, high-quality 3D wood puzzle, powered by wing or motorlt, is a challenge for 14+ and can open a new world of creativity, knowledge and fun ! Three styles for your choice: Running Locomotive, Perpetual Calendar and Treasure Box with Lock Mechanism. The creative project is definitely a good choice for people who like to be creative with their hands.Have a good time with your family and friends, enjoy the leisure and relax. ROKR Running Locomotive ROKR Orginal Design Our products are all for independent research and development production Germany Laser Cutting Technology Go over serveral times the product details before shipping parcels Self-Assembly Mechanical Model Wooden Locomotive mechanical gears toy is operated by hand crank, no battery, no glue need. But in order to bring a better assembly experience, you had better use a little wax to make the wood more smooth. Wind it up just use the hand crank in side, the vehicles will run quickly along a perfectly smooth Assembled size:370*120*185mm Package Size:357*235*46mm Wood piece:349 pcs ENJOY THE PROCESS OF ASSEMBLY Unique Treasure Box with password setting, could be used as vintage style jewelry box Follow our English instructions step by step, and take 4-6 Hours to finish the fun project PRECISION LASER CUTTING All pieces are pre-cut, which are easily removed from the board without breaking, and we provided sandpaper to help clean up the edges for more consistent Some however are so tiny you need mini fingers or some kind of soft ended tool to push them out of the tight fitting surround RETRO PERPETUAL CALENDAR The calendar craft kit imparts a vintage quotient to the ambience. Imaging future day, Set the year and the month to find out what day of the week it is going to be. Never get lost in time again. Good decoration for your home and office Review: Interesting - I loved the idea of this, but as it was a present I don't know what the quality is like and whether it is easy to use and assemble, was quite good quality from what I could tell great value for money Review: Exciting puzzle. - Arrived on time and looks interesting and exciting for teenagers and adults to put together. Very pleased with this purchase for my 14 year old grandson. Sure he will love it. ## Features - Warning:Not suitable for children under 10 months. - Warning:Not suitable for children under 3 years. For use under adult supervision - 【 Beautifully Designed Perpetual Calendar】Everyone faces with the question when planning activities during a week: what day of the week it is going to be. Usually we look at a smartphone or a datebook. Surprise your family, friends and colleagues with an original mechanical Perpetual Calendar - 【Operation Way】Make it easy to view the date,Imaging future day,Set the year and the month to find out what day of the week it is going to be. Never get lost in time again. - 【Natural Wood Finish】ROKR DIY models are made with laser-cut plywood and easily pop them out of the frame and put them together with our English instruction, the pieces are durable, ecofriendly, and easy to assemble. Notice: Wax are not included in the package because of transit restric - 【Meaningful Education Project】This laser-cut wooden puzzle will bring hours of fun putting it together to make a 3D calendar. The perpetual calendar can correctly calculate days of future / past dates. The calculations are done mechanically using a sophisticated gearing system. It will definitely standout on your desk or working space - 【Wonderful Gifts】Cool gift for those mechanically inclined. A good choice for someone who is DIY lover. Great Choice as birthday gifts, valentine's Day gifts, christmas gifts ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07FZZMSFD | | Age Range Description | 168 months to 1200 months | | Best Sellers Rank | 80,420 in Toys & Games ( See Top 100 in Toys & Games ) 539 in 3-D Puzzles | | Brand | ROKR | | Brand Name | ROKR | | Colour | Timber | | Country Of Origin | China | | Customer Reviews | 4.6 out of 5 stars 1,710 Reviews | | Educational Objective | Patience Skill | | Included Components | 26 laser-cut wooden pieces, English instruction | | Is Assembly Required | Yes | | Item Dimensions | 14 x 17.5 x 0.1 centimetres | | Item Dimensions L x W | 17.5L x 17W centimetres | | Item Shape | Rectangular | | Manufacturer | ROKR | | Manufacturer Minimum Age (MONTHS) | 168.00 | | Manufacturer Part Number | RBLK201 | | Material Type | Wood | | Material Type Free | Wax Free | | Maximum Age Recommendation | 168 | | Minimum Age Recommendation | 168.00 | | Model Number | RBLK201 | | Number of Items | 32 | | Number of Pieces | 26 | | Number of Players | 1 x | | Number of pieces | 26 | | Operation Mode | Manual | | Play Activity Location | Tabletop | | Power Source | Manual | | Product Style | Perpetual Calendar | | Product dimensions | 17.5L x 17W centimetres | | Puzzle Type | Assembly & Disassembly | | Puzzle type | Assembly & Disassembly | | Set Name | Perpetual Calendar Wooden Puzzle | | Size | 32 pezzi o 330mm x 250mm | | Skill Level | Advanced | | Special Features | Perpetual calendar design and mechanical model kit | | Theme | Mechanic | | Unit Count | 32.0 count | ## Product Details - **Brand:** ROKR - **Colour:** Timber - **Educational objective:** Patience Skill - **Included components:** 26 laser-cut wooden pieces, English instruction - **Manufacturer Minimum Age (MONTHS):** 168.00 - **Material:** Wood - **Number of pieces:** 26 - **Product dimensions:** 17.5L x 17W centimetres - **Puzzle type:** Assembly & Disassembly - **Theme:** Mechanic ## Images ![Perpetual Calendar 3D Wooden Puzzles/Mechanical Models/Propelled Model Mechanical Model Construction Kits For Teens and Adults - Image 1](https://m.media-amazon.com/images/I/71JkD35Fy-L.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Interesting *by Z***N on 18 May 2025* I loved the idea of this, but as it was a present I don't know what the quality is like and whether it is easy to use and assemble, was quite good quality from what I could tell great value for money ### ⭐⭐⭐⭐⭐ Exciting puzzle. *by V***K on 9 October 2025* Arrived on time and looks interesting and exciting for teenagers and adults to put together. Very pleased with this purchase for my 14 year old grandson. Sure he will love it. ### ⭐⭐⭐⭐ Calendar *by I***D on 31 May 2024* Nice product, a little smaller than expected. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/74003752-perpetual-calendar-3d-wooden-puzzles-mechanical-models-propelled-model-mechanical](https://www.desertcart.gr/products/74003752-perpetual-calendar-3d-wooden-puzzles-mechanical-models-propelled-model-mechanical) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-08-17*