Stackable triangles the Vivo by Naef Toys of Switzerland.

Fascination of diagonals the Versi by Naef Toys of Switzerland.

Still object in loud times... the Sand Pendulum by Naef Toys of Switzerland.

Circus: created by Takao Yoguchi in 2005 for Naef, Switzerland. This is a "moving picture book".

Signa by Naef Toys of Switzerland, an ideal toy for learning to thread.

Wheeeeee,  'Schnurpfel-Pony' by Naef Toys of Switzerland. What an inspiring name for learning to thread.

The Ringli Ring by Naef Toys of Switzerland. What baby could resist these colourful rings that float along the larger one?

Plugging, clamping, playing the Regolo by Naef Toys of Switzerland. This creative game, designed by Kurt Naef in 2004, is made up of two different basic building bricks, which not only can be placed on top of each other but plugged into each other as well.

Color, form, tone the Rainbow by Naef Toys of Switzerland. Nine arch-shaped elements made of layered maple wood are both play objects and acoustic bodies.