3 years and up. Inspire creativity through playtime building projects! These lightweight Edu-Color Blocks feature a variety of shapes, colors, and sizes for endless possibilities of creative building. Grip, stack, connect, and build the blocks to develop gross and fine motor skills, hand-eye coordination, and logic and reasoning. Blocks are visually stimulating to encourage shape and color recognition. Blocks are made from soft, flexible dense foam that will not pinch, tear, splinter, or absorb moisture. Sizes range between 1.25"" x 1.25"" to 6.5"" x 3.75"". Included: 30 Foam Blocks and Storage Case.