Age range (description) Kid Material Plastic Point type Broad Special feature lightweight Unit count 1.0 gram Stackable Design: These crayons with 12 different colors in total. The pencil uses a stackable design,and different colors can be stacked arbitrarily and provide children with a blocks-like experience Flexible Size: Length of each crayons with a transparent cap is approx. 9.8 inches, and the single small crayon is 1.4 inches, you can use crayons apart individually or stack them, the flexible splicing size is convenient for you to hold or carry Colored Fun Crayons Set: The stacking buildable crayons set cater to children's hobbies, which are nice educational tools for teaching children to identify colors, use imagination and creativity force, makes painting fun and enjoyable Premium Material: Our these crayons are made of quality plastic material, which are durable and reliable, comfortable to use, lightweight, hard to break, can use for a long time Wide Range of Use: These colored stacking crayons give you a dual choice of writing and painting, also as classroom prize, school and office supplies, fun gifts for your friends, little sisters, classmates, colleagues on birthday, graduation, Children's Day and more