The environmentally-friendly building block perpetual calendar puts an end to the paper desk calendar for you. It only needs to be updated once a month, which is simple and practical;
Warm reminders are provided on the special fun building blocks; small and cute, suitable for desktop decoration or gifts.
Four colors of black, blue, yellow and red; perpetual calendar of building blocks, various shapes, let's experience the fun of DIY in the world of building blocks!
DIY blocks calendar,including the "holiday, birthday,ect”note information, made the reservations  for the month in advance.