You can assemble and recognize a building block insect with your kid every day. The most interesting part is that other styles of advent calendars may not bring more surprises than expected on the last day, but our advent calendar will allow you to reassembly them into two big one (Try this: Do not tell your kids about the big one and surprise them on the last day ) Ideal Gift for Building Block Funs - Best Advent Calendar that kids who love building blocks would anticipate receiving each day Reassembly-design can help children quickly improve build, destroy and rebuild abilities that is beneficial to develop "spatial wisdom". Healthy Game - Let kids get lost in creative play. The building blocks can not only train their hands-on skills, but also makes them to use more imagination. The insect style attracts your kid's attention and keeps them away from smartphones and TVs. Box Size: 32.5X5X22.5cm Package Included: 1 x Christmas Advent Gift Box Note: 1.Please allow 2%-3% differences due to manual measurement, thanks. 2.Besides different computers display colours differently, the colour of the actual item may vary slightly from the below images, thanks for your understanding. (1 inch = 2.54 cm).