Multicolored AlphaMagnets and MathMagnets 126-piece set include red blue green yellow orange and magenta plastic pieces. This set has stronger magnets than other magnetic letters and numbers to ensure each piece stays where you want it and doesn t slip. Includes 42 lowercase letters 42 uppercase letters 30 numbers and 12 math symbols in durable stackable tub for easy cleanup. Each measures 1.5 . Our Playful Promise: At Educational Insights we believe that there is a light in us all that shines brightest when we re playing. We promise to keep creating educational toys and games that are packed with possibilities that ignite curiosity and a passion for exploration and learning in every bright child.