STEM complete introduction to programming kit with 30 coding lessons. Easy as peanut butter and jelly! Cover these fundamentals: Sequences, Loops, Functions, Conditions, Events, Algorithms and Variables. Build and code robots, then program to move and interact with objects. Teaches fundamental coding, mechanical engineering, and problem-solving skills. OID optical scanner on robot reads the code cards to record the program. Code with cards! No computer, tablet or smartphone required. Contains 417 pieces. 64 page full color illustrated lesson plan and experiment manual. Requires 3 "AA" batteries (1.5-volt, type AA/LR6) or 3 "AA" rechargeable batteries (1.2-volt, type AA, HR6/KR6) Intended for ages 4-8, grades K-2. ⚠️WARNING: CHOKING HAZARD - Contains Small Parts.Not for children under 3 years.