Robotime Perpetual Calender

Discover your own time zone with this perpetual calendar; the Perpetual Calendar.
This calendar not only looks beautiful, but you can set the time, year and date yourself. The nice thing is: it is easy to build because the 52 pieces are pre-cut and the package is good for about 2 hours of building fun. Perfect for beginner builders.
You will be rewarded for your work and it is also very educational. You build the mechanical structure step by step. Perfect gift for birthdays, holidays or fun to build yourself!