- HABA Kullerrum Marble Track fully assembled, just set up and play - Especially designed for children from 12 months, with 3 large balls included - Interactive elements: sound bell and lever to stimulate active play - Promotes fine motor skills, concentration, and visual perception in little ones - Easily connects to other HABA Kullerbü track systems, expanding play possibilities - Made with durable materials and attractive colors to capture children's attention - Provides safe and educational entertainment, ideal for early development - Easy to transport and store thanks to its compact size