The rainbow is one of the most versatile wooden toys since it is used to stack, fit, build…. You can start using it very early and as the game evolves, you will find more and more possibilities.
In Montessori Pedagogy it is used to classify colors and sizes. 
In  Waldorf education, the rainbow is associated with Goethe's theory of colors. His 1810 book constitutes essential reference material for understanding the variables of the color phenomenon and its application.
The arch is one of the most stable constructions that exist, essential in Architecture because it is the only structure that supports itself.
 
Handmade in Spain
Measurements: 23 cm long and 12 cm high
Age: 0+ months