Stackable Crayon Set--You will receive 16 pcs stacking crayons,each with 12 colors that can be changed at will,enough for kids to use or to share with friends. Buildable And Detachable--These stacking crayons come with fun designs,each crayon is made up of many individual small parts,crayons can be separated or stacked together to create your own style,rainbow colors can Attract people's attention and stimulate children's hands-on ability. Practical Rainbow Crayons--Our buildable crayons make drawing and art work a lot of fun,cater to kids and are great educational tools for teaching kids color recognition,hand-eye coordination,crafting skills,imagination,creativity. Safe Materials--This stackable crayon is made of paraffin and plastic.Safe and lightweight,easy to hold,(suitable for children 3 years and older).Our crayons won't stain clothes.Bright and diverse colors meet the different needs of children. Multiple Usage--These stacking crayons are not only great for painting,but also great as classroom prizes,school and office supplies,party prizes.A fun gifts for friends,classmates,birthday party,graduations,christmas,children's day,and more.