Marbulous-Translucent Marble Run 96 Piece Set +32 Marbles (Total 128 Pc Set!) This set includes 96 transparent pieces plus 32 marbles. (Total 128 Pc Set!) Pieces are made of high quality transparent plastic in fun and vibrant primary colors. KIds can now spend hours to build endless possible tracks! Makes a perfect birthday gift or any other occassion! Helps develop spacial skills and hand-eye coordination through building. Ages 4 years and up.