[ROKR]Perpetual Calendar

A self-assembled wooden calendar puzzle with precise date indication ranging from 2018 to 2040. One-star-level difficulty, ideal gift and hobby for any beginners new to building mechanical sets.

Find Your Own Time Zone.

• 【Decorative Agenda】Elegant design with practical function. Adjust the disk and set your own time zone, including year, month, day and week. Always a delight to eyes, perfect room decor for your home or office.
• 【Easy to Assemble】Only 1-star -evel difficulty with 52 pre-cut wood pieces. 1~2 hours of relaxing building fun will release your pressure and inspire more creativity. Perfect for beginners as a building toy 101.
• 【STEM Principles】Satisfying and educational building experience. Learn more about STEM concepts while building up the mechanical structures step by step. Welcome to the fantastic mechanical world!
• 【Ideal Gift& Hobby】Gift for all. Whenever it’s birthday, anniversary or holiday, or even to spend a quality time with family, this is a perfect choice to express your love.