Product size about :12.8*7.8cm/5*3in Product color: As shown in the figure Product material:Paper product features: Premium Music Flash Cards for Music Beginners to Improve Piano Sight Reading and Musical Terminology for Kids and Adults High-quality double-sided laminated flash cards give you peace of mind that they will last for years. A simple alternative to cardstock cards that don't come in a box. Bright colors and large fonts make learning more fun and easier. Color-coded categories make it easy to memorize and practice specific skills, including notes, clefs, tempo, dynamics, melodic and harmonic intervals, note values, rests, time and key signatures, and music symbols. Rounded corners and lamination make operation quick and easy, no more sticky cards and sharp corners. By using memory aids like music flash cards when practicing piano, violin, or voice, you can quickly train your ear to recognize which note is being played and where that note is located on the staff! Essential skills for a music theory education. Treble and Bass Clefs Notes from Low C to High C Tempo Markings Dynamic Notation Melodic and Harmonic Intervals Note Values ​​and Rests Beat Key Signatures Musical Symbols And more! Easy to read Answer keys on front and back, 4 color-coded flashcards How can learning music theory help you perform and play? Improves understanding of musical structure, aiding with sight-reading and improvisation. Strengthens memory of key concepts like scales, chords, and intervals for more confident playing. Strengthens rapid recall of essential information, allowing kids and adults alike to seamlessly apply theory in real time. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 50 pc Musical note cards