ODDY Creative Building Kits let kids transform everyday objects into toys! With this ODDY Basic 40 piece Building Kit, kids can use common household and backyard items such as cups, pine cones, and more to build countless never before seen toys! NOTE: Household items not included. Characteristics: This set includes 40 pieces that can interlock and connect and integrate with common objects to form fun and creative toys. Made from recycled materials, these eco-friendly toys help spark imagination and practice STEM skills. Size: Packaged dimensions: approximately 5 ½ x 8 x 2 inches. Age: 6 years and up The Basic 40 Piece Building Kit is part of the ODDY Creative Building Kit collection.