Viga 16-Piece Large Rainbow Sensory Window Blocks - Oversized Montessori Color Mixing Set

Grand Illumination: 16-Piece Large Rainbow Sensory Window Blocks

Paint the world with light on a grand scale! Our 16-Piece Large Rainbow Sensory Window Blocks Set is an oversized Montessori STEM resource designed for high-impact color exploration and architectural beauty. Featuring expansive translucent windows and a chunky 30mm thickness, these blocks allow toddlers to build towering structures that glow with vibrant, overlapping hues.

Oversized Optical Discovery:

• 4 Essential Large Shapes (16 Pieces): Includes 4 each of Large Squares (70mm), Extra-Long Rectangles (140mm), Large Equilateral Triangles, and Oversized Semi-circles. Designed for maximum stability and grand construction.
• Immersive Color-Mixing: The enlarged acrylic panes provide a wide surface area for visual color blending. Overlap them to discover how primary colors transform into a full rainbow spectrum.
• Dramatic Shadow Play: Perfect for Light Tables and sunny playrooms. These oversized blocks cast large, vivid colored shadows, fostering deep visual perception and scientific wonder.

Developmental & Cognitive Impact:

• Advanced Color Theory: The expansive translucent filters make chromatic science intuitive and accessible, helping children master color relations through active building.
• Gross & Fine Motor Mastery: The oversized 140mm blocks are exceptionally easy to grasp for younger children, building confidence in balance, stacking, and structural logic.
• Multi-Dimensional Thinking: Encourages children to integrate transparency and light into their designs, enhancing creative problem-solving and artistic expression.

Industrial Quality & Safety Excellence:

• Massive Rubberwood Frames: Crafted from Solid Sustainable Rubberwood. These extra-thick (30mm) frames are incredibly durable and polished to a silky-smooth, splinter-free finish.
• Shatterproof Sensory Windows: Uses high-clarity, non-glass Acrylic inserts. Safe for rigorous play in kindergartens, sensory discovery centers, and Montessori nurseries.
• Certified Standards: Fully complies with EN71 and GB6675-2014 international safety standards.

Pair this Large Rainbow Set with our Viga Large Mirror Blocks to create a spectacular Grand Scale Sensory Lab that inspires the architects of the future.

Purchasing for a school, nursery, or therapy centre? We offer bulk pricing for institutional orders. Contact us at service@viga-toys.com to get a custom quote. Minimum order: 3 units. Typical lead time: 10–30 business days.