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.
