Learning Resources 1pattern Blocks Design Cards. Play-based learning with Pattern Blocks geometric shapes help children identify and recognise shapes, organise visual information, and builds problem-solving skills. The easy way to add creative fun to pattern block play, this set of 20 double-sided cards has 40 puzzles that challenge children to turn their pattern blocks into a flower, train, a boat and more. Cards measure 21cm L x 28cm W. Ages 4+.