Premium Wood Construction: Made from high-quality wood, ensuring sturdiness and excellent durability. Innovative Rotating Design: Thoughtfully engineered with various components, allowing children to create their own unique projects. Easy Assembly: Estimated assembly time of 0-18 minutes, making it user-friendly for both adults and children. A great interactive activity. Educational Benefits: This science and technology teaching material kit fosters problem-solving skills, spatial reasoning, and fine motor development while providing hours of fun. Ideal Gift Choice: The perfect present for birthdays, parties, and any occasion where a unique and engaging gift is desired. Specifications: Material: Wood Size Chart: Assembled Size: 9.4 cm x 9.4 cm x 18 cm / 3.70 inches x 3.70 inches x 7.09 inches Package Includes: 1 Set DIY Science Rotating Material Kit Note: 1. Not suitable for infants; keep out of reach to prevent accidental ingestion. 2. Please allow for minor errors due to manual measurement and monitor variations.