If you've ever built structures with craft sticks, imagine what you might create with these bright and colorful twist and snap structure sticks! Each stick is uniquely designed with notches, slots and hexagonal keyholes that offer lots of options for building. create simple objects like tables and boxes, or dream up complex designs like space crafts and moon stations! The flexible material is easy to manipulate, yet strong enough to hold up to heavy use. 400 sticks measuring 4 3/8" x 3/8". For ages 4 and up.