Regardless of age and gender , magnetic balls are a great toy for everyone, allowing you to spend hours of fun creating a variety of 2D and 3D shapes. Neocube is a great gift idea for various occasions. Using balls significantly improves hand and finger skills, develops spatial imagination and creative abilities of the brain. Ball diameter: 5 mm Number of parts: 125 Recommended for ages 10 and up Box 6.7 cm x 4.5 cm