Toddler Balance Bike Design

I need a metal balance bike designed for toddlers aged 1-5 years. The project is urgent, so I require a quick turnaround.

Key requirements:
- Designed specifically for toddlers (1-5years)
- Frame material: Metal/Plastic
- Safety and stability are paramount
- Lightweight and easy for toddlers to maneuver
- Ergonomic design to support young riders

Ideal skills and experience:
- Expertise in designing children's toys or bikes
- Proficiency in working with metal materials
- Strong understanding of child safety standards and ergonomic design

Please provide samples of previous work and an estimated timeline.