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. Details: Assorted colors and shapes 13 different sizes Rods range from 5 cm to 14.14 cm 7.87" x 5.9" packaging size 158 pieces Includes activity booklet and storage container Durable, flexible plastic Suitable for ages 5 and up Contents: 110 flexible sticks 48 3D connector pads