• Safe material: Made of eco-friendly plastic, safe and durable, odorless and non-toxic. • Universal travel: Universal wheel that automatically changes direction when encountering obstacles. • With sound and light: Cool light and sound effects, the light changes color to the rhythm of the music. • Automatic excavation arm swing: Simulates excavation work. • Wonderful gifts for boys and girls: Perfect for birthdays, Christmas, Halloween. • Suitable for indoors and outdoors: Ideal for sandboxes, gardens, the beach, and children's rooms. • Play and learn: Children can pretend to be engineers and better understand the structure of the excavator. • Warning: The excavation arm is not manually adjustable, it is an automatic electronic toy. • Steps to use: Install the excavation arm, insert 3 AA batteries (not included), and operate the red switch.