Lock in math skills! Engage students with sound, lights and over 15 types of standards-based challenges. Promotes critical thinking as students apply their knowledge to multiple contexts. Self-checking feature indicates problem digits in incorrect answers, building problem-solving skills as students try again. Features 4 games with 3 levels each. Great for auditory and tactile learners. For 1-2 players. Measures approximately 10"L x 9"W x 5"H. Requires 3 AA batteries, not included. Grades 1+