ODDY Creative Building Kits let kids transform everyday objects into toys! With this ODDY 179 piece Construction Building Kit, kids can use common household items such as boxes, cups, and more to build creative and fun architectural marvels including ramps, bridges, castles, towers, buildings and more! NOTE: Household items not included. Characteristics: This set includes 179 pieces that can interlock and connect and integrate with common objects to form fun and creative toy buildings and structures. Made from recycled materials, these eco-friendly toys help spark imagination and practice STEM and STEAM skills. Size: Packaged dimensions: approximately 11 ½ x 8 x 2 inches. Age: 6 years and up The 179 Piece Construction Building Kit is part of the ODDY Creative Building Kit collection.