Practice tracing letters, numbers, and shapes with these interactive Boom Cards. Choose a skill from the menu. There is an animation on each card to show how letters, numbers, and shapes are formed. Trace the letters, numbers, and shapes by dragging objects over them. There are three objects on each card for repeated practice.Not familiar with Boom cards? Boom cards are a web-based program that allow students to interact with digital task cards on a computer or tablet. Sign up for an account wit