Make sure this fits
by entering your model number.
【Intriguing Calendar Puzzle】Can you find another way to know a future except looking at the calendar on the PC or the paper version hanging on the wall?This beautifully different wooden canlendar building by yourself is the answer.
【Fun Building Project】It takes 1-2 hours to build this 52 pieces wooden model following the instruction book.All the pieces were easy to remove from the overall board and fit together nicely.
【Nice Desk Piece】This Beautifully Designed Perpetual Calendar is allow the calculation of the day of the week for a given date in from year 2018 to 2040.Surprise your family, friends and colleagues with this mechanical Perpetual Calendar Desk Piece.
【Great Gift 】Not only suitable for kids 8 years plus as a STEM educational toy,but also attractive to adults,our eldest customer is up to 92 years old.If you have steady hands and patience then the only thing left to stop you is your eyesight.
【Operations】1. Rotate the year gear to select a year 2. Keep the year gear fixed, and rotate the month gear to select a month 3. Then the Calendar plate will show the of the month you choose.
ROKR Perpetual Calendar Model Kits for Adults Mechanical Model Building Kits 3D Puzzles B07P17HVM4