Description: [Material]: Science toys made of pp material, environmentally friendly, drop resistant, and durable.[Appearance]: The ball pitching machine set model features fine workmanship, and exquisite details, smooth and round without burrs, not hurt hands.[Wide Usage]: Multipurpose teaching aids, developing scientific cognition and interest during exploring, exercise hand eye coordination ability, and fine motor skills.[Feature]: DIY materials, requires self assembly, easily install, convenient for playing, and perfect for learning activities, tech projects, science experiments, etc.[Gift]: Excellent gifts, party favors, and holiday present for girls, boys, and DIY lovers. Specification: Material: Plastic Size Chart: 12cmx8cmx20cm/4.72inchx3.15inchx7.87inch Package Includes: 1 Set Ball Pitching Machine Toy Model(Need to Assemble) Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.