K'NEX Education Introduction to Wheels&Axles and Inclined Planes Classroom

With 221 pieces, build up to 7 real-world models. This set helps you meet Standards for Technological Literacy and encourages mechanically minded students to understand the science behind these simple machines. Set supports 2 to 3 students. Includes instruction booklet with key facts on each model and a plastic storage case. Classroom unit has 8 sets.