Surprise your family, friends, and colleagues with an original mechanical calendar that you can build with your own hands. The Ugears calendar is an intriguing mechanical gadget that displays dates from 2023 to 2050. Simply set the year and month you need, and you'll never lose track of time again.

• Combines wood and movement effortlessly through mechanical motion.
• Reveal the secrets of gears, rubber band motors, wheels, and other mechanical components with Ugears' 3D models.
• Fun to assemble with no glue required, featuring intricate details and smooth operation.
• High-quality craftsmanship for fully functional, movable 3D puzzles that will captivate even those who weren't fond of physics.
• Perfect for developing motor skills and imagination, offering endless fun and learning opportunities.
• Comes with a detailed pictorial instruction manual to guide you through the assembly.
• Make sure to lubricate specific parts like axles, as noted in the instructions, with ordinary candle wax to ensure smooth rotation with minimal friction.

Technical Parameters:

• Dimensions of assembled model: 9.5 x 9.9 x 1.8 cm