Introduction
Turn sunlight into a magical learning experience with this rainbow window color sorting activity.
Using simple craft materials and translucent lucite gems, children can explore color sorting, light, and reflection while playing.
This activity combines art, science, and sensory play in one beautiful setup.
Materials
Maison Rue Translucent lucite acrylic blocks
Maison Rue Ines Blocks
Cardboard
Scissors
Tape
Colored cellophane
Adult assistance is recommended for cutting.
Step 1: Create the Rainbow Window
Cut several window shapes into a piece of cardboard.
Tape different colored cellophane over each opening.
Attach the cardboard to a sunny window.
Soon you’ll see colorful light reflections shining onto the floor.

Step 2: Start Color Sorting
Place thelucite gems and cubes into the rainbow reflections.
Invite your child to match the blocks to the colors of light.
Example prompts:
“Can you find something that belongs in the red light?”
“Which gem matches the blue window?”

Step 3: Turn It Into a Game
Make the activity more exciting by:
Timing how fast kids can sort the colors
Racing to match objects to each rainbow section
Sorting household objects into the colored lights
This encourages:
Color recognition
Problem solving
Fine motor development

Step 4: Explore Light & Color
Children may notice that some blocks glow or change color in the light.
This opens the door to discussions about:
Light passing through objects
Color mixing
Transparency
If you enjoyed this activity you can discover more play ideas from Maison Rue here. You can also read more about the benefits of open-ended play materials on child development here.
