What is the Polydron My First Polydron Windows Class Set?

The Polydron My First Polydron Windows Class Set is a 72-piece construction set for children aged 2 years and above, comprising 30 window squares, 30 window equilateral triangles, 6 frame squares, and 6 frame equilateral triangles in 5 colours. The window pieces feature coloured translucent panels that allow light to pass through, produce a vivid display against any light source, and create visual colour mixing effects when different coloured pieces are placed together. Designed by Polydron specifically for whole-class use, this is the largest set in the My First Polydron Windows range and provides enough pieces for an entire nursery or Reception class to build and explore simultaneously.

Why the window pieces make this set distinctive

The coloured translucent panels in the window pieces set this class set apart from standard construction resources. When used near a window or on a light table, the pieces create a striking stained-glass effect that immediately engages children visually. When pieces in different colours are placed side by side, the eye perceives a visual mixing of colours at their shared edges, giving children a hands-on, concrete experience of colour relationships that supports early science and art understanding. The 72-piece quantity means every child in the class can have their own pieces to explore, build with, and investigate, rather than sharing a smaller set between groups.

For children with sensory processing differences, the gentle, predictable interaction between the coloured window pieces and light provides a calming and visually engaging sensory experience. For children with dyspraxia or fine motor difficulties, the large piece size and straightforward Polydron slot-together connection keep building accessible, allowing children to focus on the investigative and creative dimensions of the activity rather than the mechanics of assembly.

Why it works in nurseries, Reception classes, and SEN settings

• Designed for whole-class use: with 72 pieces across the set, every child in a nursery or Reception class can have their own pieces to build and explore at the same time, making this a genuinely inclusive whole-class resource.
• Spectacular on a light table or against a window: the 30 window squares and 30 triangles create a vivid, engaging display when backlit, supporting colour investigation and sensory activities alongside construction play.
• Explores colour mixing through construction: placing window pieces in different colours side by side introduces primary and secondary colour relationships through direct visual experience, supporting EYFS understanding of the world and early art and science objectives.
• Window and frame pieces combined: the 6 frame squares and 6 frame triangles add tactile and visual variety alongside the window pieces, giving children the opportunity to compare open, filled, and translucent shapes within one activity.
• Large pieces accessible from age 2: the large piece size and slot-together connection make building manageable for toddlers and young children, including those with additional needs or developing fine motor skills.
• Easy to sterilise: pieces can be sterilised with an alcohol-based sanitiser, meeting nursery and school hygiene requirements for whole-class shared resources.
• Model guide included: provides structured build ideas to support guided whole-class sessions as well as individual and group exploration.

Suitable for SEN and intervention groups too

While the class set is designed for whole-class use, the large piece count also makes it well suited to SEN resource banks and intervention group settings where practitioners want a rich, multi-sensory construction resource available across different activities and groups throughout the day. The light and colour dimension is particularly valuable for children with sensory processing differences, visual impairments, or those who respond well to high-contrast, visually stimulating learning materials.

Why exploring light and colour supports early development

Direct sensory experience of the physical world is a cornerstone of early years education. Exploring how light passes through coloured materials, how colours appear to mix, and how flat shapes combine into three-dimensional structures develops scientific thinking, observational skills, and spatial reasoning. For children with learning differences including dyslexia, dyscalculia, and sensory processing differences, multi-sensory learning experiences that engage sight, touch, and spatial reasoning simultaneously are widely recognised as among the most effective approaches to building foundational understanding.

Ready to order?

The Polydron My First Polydron Windows Class Set is available to order for nurseries, primary schools, SEN settings, and local authority resource banks. For questions about suitability or larger orders, our team is happy to help.

• 72 pieces included: 30 window squares, 30 window equilateral triangles, 6 frame squares, and 6 frame equilateral triangles in 5 colours.
• Designed for whole-class use: piece count provides enough for every child in a nursery or Reception class to build simultaneously.
• Translucent window panels: window pieces feature coloured translucent centres that allow light to pass through and create visual colour mixing effects when pieces are placed together.
• Light table compatible: window pieces create a vivid, spectacular display when backlit, ideal for light table sessions and colour investigation activities.
• Window and frame pieces combined: translucent window pieces and open frame pieces provide visual and tactile variety for sensory exploration and shape comparison.
• Classic Polydron slot-together connection: pieces join along their edges using the established Polydron system, enabling flat 2D patterns and folded 3D models.
• 5 colours.
• BPA free.
• Recyclable carton packaging.
• Model guide included: provides structured build ideas for guided and independent play.
• Cleaning method: sterilise with alcohol-based sanitiser.
• Age suitability: 2 years and above.
• Weight: 2.6 kg.
• Dimensions (L x W x H): 34 x 23.5 x 10.5 cm.
• Packaging: sturdy, reusable carton.
• Barcode (EAN-13): 5060164537519.
• Product code (MPN): 95-3110.

• What is the Polydron My First Polydron Windows Class Set?
  The Polydron My First Polydron Windows Class Set is a 72-piece construction set for children aged 2 years and above, comprising 30 window squares, 30 window triangles, 6 frame squares, and 6 frame triangles in 5 colours. Window pieces have coloured translucent panels that allow light through and create visual colour mixing effects. The set is designed for whole-class use in nursery and Reception settings and includes a model guide.
• What is the difference between the My First Polydron Windows Set and the Windows Class Set?
  The My First Polydron Windows Set contains 24 pieces and is sized for individual or small group use. The My First Polydron Windows Class Set contains 72 pieces, including 30 window squares, 30 window triangles, 6 frame squares, and 6 frame triangles, and is specifically designed for whole-class activities in nursery and Reception settings. Both share the same coloured window pieces, model guide, and slot-together connection system.
• What age is the My First Polydron Windows Class Set suitable for?
  The Windows Class Set is designed for children aged 2 years and above. The large pieces are easy to handle from age 2, and the window and colour exploration dimensions keep the set engaging across nursery and early Reception years. The colour mixing and light investigation activities also extend naturally into KS1 science and art objectives.
• Can the My First Polydron Windows Class Set be used on a light table?
  Yes. The translucent window panels in the 30 squares and 30 triangles are specifically designed to look spectacular against a light source. With 72 pieces, the class set provides enough window pieces for a whole class to use a light table simultaneously or in rotation, making it a practical investment for settings with a light table as part of their provision.
• How does the Windows Class Set support whole-class colour investigations?
  With 30 window squares and 30 window triangles across 5 colours, every child in a nursery or Reception class can explore colour mixing at the same time. Placing window pieces in different colours side by side produces visual colour mixing effects, giving children a hands-on, concrete experience of how colours relate and interact. This directly supports EYFS understanding of the world and early science and art objectives without requiring additional materials.
• How does the Windows Class Set support children with dyspraxia or fine motor difficulties?
  The large piece size and straightforward Polydron slot-together connection reduce the physical demands of building, making the set accessible for children with dyspraxia or developmental coordination difficulties. Within a whole-class session, children with additional needs can participate fully alongside their peers, building the same models and engaging in the same colour investigations, which supports both inclusion and confidence.
• Is the Windows Class Set suitable for children with sensory processing differences?
  Yes. The coloured translucent window pieces provide a gentle, visually engaging sensory experience, particularly when used on a light table or near a window. The predictable, calming interaction between coloured light and the window pieces is suitable for children with sensory processing differences, and the large piece count means the set can support sensory-focused activities alongside structured construction play across the whole class.
• Is the Polydron My First Polydron Windows Class Set easy to store and manage in a busy classroom?
  Yes. The 72 pieces are stored in a sturdy reusable carton measuring 34 x 23.5 x 10.5 cm and weighing 2.6 kg, making it straightforward to move between areas and put away after sessions. Pieces can be sterilised with an alcohol-based sanitiser, meeting shared-resource hygiene requirements in nursery and school settings.