Learning Resources Hands-On Standards Manipulatives Kit Professional handbook features proven manipulatives-based instruction and step-by-step, photo-illustrated lessons Kids build math skills such as addition, subtraction, place value, shapes, patterns, time, graphs, probability, and much more Comprehensive set includes: Base Ten Blocks, Geoboards, 2-Color Counters, Pattern Blocks, Geared Clocks, Tangrams, Color Tiles, and much more Features handbook with 61 lessons Ages 8-9