This set includes 110 construction sticks in 13 color-coded sizes with 3D connector pads. Build foundational math, construction and fine motor skills. Create models and patterns, learn basic angle and measurement concepts, and develop creative thinking skills. The sticks snap together, making them an ideal tool to develop coordination and attribute-identification skills. These connecting sticks feature multiple connection points for 2D and 3D creations. The sticks are flexible and easy for students to snap together. Curved pieces feature angle markings and straight pieces include length measurements in centimeters. The instruction booklet features full-color, step-by-step instructions for 8 activities. Children can practice following directions and attention to detail as they build a variety of 3D models. The sticks are made from durable, flexible plastic for years of use. The set is packaged in a storage case with a lid and handle. For ages 5 . Includes: 110 flexible sticks in 13 sizes, 48 3D connector pads and an activity booklet. Size of largest rod: 14.14 cm; Size of smallest rod: 5 cm.