Specification-- Item Dimension: 5.7 x 5.3 x 2.3 Inches. MEET VARIOUS NEEDS--A lovely way to introduce handcraft to children. Cultivates kid's artistic conservation, improve kid's ability about coordination. It helps kids to have a healthy life by doing art.QUALITY ASSURANCE--All the materials used for this set are environmental protected and safe for children. All parts are smooth and made with exquisite workmanship. FUN & EDUCATIONAL- Educational Toy, Kids can make their own clock.