Create endless opportunities for students to build and explore shapes. Combine sticks in 3 sizes, along with curves for making circles and cylinders, with 2 different types of connectors to build 2-D shapes. Then, combine them to make new 2-D shapes, and even 3-D shapes. Child-friendly set features durable sticks, curves, and connectors. Includes 90 sticks in 3 sizes (2.25" , 3.5" , 5.25" ), 32 curves, and 48 connectors (approximately 1" in diameter). Age 5+/Grade K+.