fm - Round & Square acrylic puzzles

Lens Light: Exploring a Colorful World
Place the building blocks in sunlight; shining through the acrylic lens creates colored shadows.

Nighttime Lighting Effects
At night, when the child is sleeping, a lamp can project colorful light and shadows to keep them company as they fall asleep.

What new colors emerge when the blocks overlap?
When two different colors overlap, a new color is created, sparking the child's curiosity.