This is the Da Vinci Arch Bridge
from the Academy Hobby Models Da Vinci Machines Series.
Suitable for Ages 14 & Older.
FEATURES: Model of the arch bridge designed by Leonardo da Vinci
Design uses a self-supporting arch concept to distribute
weight through the full curve of the arch
Replica of the oldest known arch bridge design
After assembly, place the bridge parts in the box
No glue or paint required
INCLUDES: One plastic model