Number Tracing Fun Practice! Smart Kids 1 This BRAIN stimulating workbook helps your child have FUN & LEARN fast tracing numbers from 0 to 20! For children ages 3 and up. Learn numbers and sounds from 0 to 20. Practice fine motor skills. Practice essential school skills. Increase BRAIN development. Perfect as an educational tool or gift. Have FUN & LEARN fast tracing numbers from 0 to 20! Get your copy now!