Recommended age: +3 years. Box size: 21x15x4cm. Psychopedagogical aspects: Reasoning, Spatial vision, Manual ability, Stream, Reading and writing, Vocabulary. This box contains 60 pieces, 40 numbers and 20 decorated symbols. All the pieces are magnetic and you can practise with numbers and operations on any metal surface, such as the fridge or our magnetic board. It has a great presentation for gifts, as it comes in a lined cardboard box, with a very modern design and perfect so that you dont lose any of the pieces.