Learning Resources STEM Explorers Pixel Art Challenge. Craft cool 2D pixel art by solving maths and coding problems! As children create 2D images and patterns, they build colour and pattern recognition, fine motor, and critical thinking skills through creative activities. Includes 400 colourful pixel cubes, challenge cards, and a base. Features multilingual packaging and guide. Cubes measure 1 cm square. Tray measures 14cm L x 14cm W. 402 Piece Set