Innovative 3D Printed design: Impossible Pyramid Passthrough Toy adopts a unique and innovative 3D Printed design to provide a experience. The unique spiral cone shape provides visual interest and stimulationMaterial: Sensory Toy is Made Pla pp and is safe for children to useSize: Spiral Cone Toy is 3.8 cm in diameter and 6.4 cm in height, which is compact and fascinatingCreativity and Education: Desk Toy can not only stimulate imagination and creativity, but also promote the development of children's fine motor skills and spatial reasoning abilityGift: Table Centre Decoration can be used as a desktop decoration or as a gift for parties or festivals Size Chart: 3.8cmx6.4cm/1.50inchx2.52inch Package Includes: 1 Impossible Pyramid Passthrough Toy Note: 1.This is not infant toy , please take away from children to avoid eating.2.Please allow slightly errors 1-2cm differences due to manual measurement.