The Percussion Plus metal ganza shaker is simple in design and of a good build quality. It produces a wonderfully crisp sound when shaken and is lots of fun to play.The instrument is made of durable metal which allows it to withstand use in the classroom. It is ideal for samba music, but would also fit a range of percussion settings.These items are musical instruments, not toys, and are suitable for use by 3 year olds and above. It is advised that they are used with supervision as there are small parts on and in some of them.