Giant visually stunning building bricks made from beautiful rubberwood with colourful transparent acrylic inserts. Can be used in building and stacking with double and half sized bricks. The set includes 36 pieces (24 large, 12 small) with rounded corners and colourful inserts (red, green, blue, yellow, clear and mirror). Children will hold them up to their eyes to see a world in different colours. Can also be used for colour mixing and on a light box.