Colour Mixing Boxes 27 PiecesThe Colour Mixing Boxes 27 Pieces set introduces children to the magic of light, colour, and transparency through hands on exploration. With 27 translucent, interlocking boxes in primary colours, children can stack, combine, and arrange them to discover how new colours are created. Perfect for use on light tables or in natural sunlight, the boxes encourage curiosity and experimentation while developing spatial awareness and problem solving skills.