Build number awareness – and kid confidence! - with the Hot Dots Numbers and Counting Set! Preschoolers practice number recognition, number words, counting, and number sequencing – all by themselves – with 72 colorful pre-math lessons and an interactive Hot Dots Pen. Kids simply ...Build number awareness – and kid confidence! - with the Hot Dots Numbers and Counting Set! Preschoolers practice number recognition, number words, counting, and number sequencing – all by themselves – with 72 colorful pre-math lessons and an interactive Hot Dots Pen. Kids simply press the pen to any answer dot for an immediate audio (mutable) and visual response – green light and congratulatory sounds for correct responses, red light and gentle redirection for incorrect answers.