Milestone Blocks Set - Age. ALL ORDERS AFTER 12/9 WILL ARRIVE AFTER CHRISTMAS. This is a great set to record your baby's milestones. It's also a fantastic way to capture your pregnancy week by week or use as a pregnancy announcement. Share with friends and family, perfect for social media. 3 - 1.5" square blocks, each has 4 numbers engraved (1-12) 1 - 1.5" x 4.5" block , engraved on 4 sides (days, weeks, months, year) Cotton drawstring bag for gift giving.