4 years & up. These Toccata Blocks make learning about musical measures visually exciting and fun. Match the time signature blocks with the correct bases and follow it with the correct number of notes and rests that fit into a measure. The more measures built the greater the grasp on the logic and concept of rhythm and meter. This set provides a greater challenge with advanced note values and more time signatures. Included: 31 Pieces, and 6 Time signatures.