From the manufacturer:
This Sensory Drawing Pack includes everything needed to take your child on a sensory development adventure! Designed to encourage sensory development, develop fine motor skills, promote imaginative play and emotional expression. This pack includes Softies Tri-Grip Crayons. powdery Egg Chalk, bumpy colored card, shiny colored card, rough glitter card, glossy plastic sheets, textured white art board and textured black art boards. For ages 2 and up.