Rotating cylinder block educational toy DIY for toddlers preschool age Description: Material: made of high quality wood, smooth edge, no burrs, durable Ergonomic handle: game handle design, comfortable grip Teaching Props: The speed calculator helps your child recognize numbers from 0 to 99, helps im understand mathematical learning symbols, and cultivates mathematical thinking Parent-child interaction: The math machine is not just a toy for children, it contains interesting fairy tales, abundant content and a variety of play methods that can enhance parent-child interaction Perfect prezent: very suitable for baby day gifts and birthday gifts. kids will love it Size Chart: 5 cm x 5 cm x 14 cm/1,97 inch x 1,97 inch x 5,51 inch The package includes: 1 rotating klocki mathematical Note: