ODDY Creative Building Kits let kids transform everyday objects into toys! With this ODDY 40 piece Arts & Crafts Butterfly Building Kit, kids can use common household items such as boxes, bottles, cardboard tubes, and more to build fun butterfly and insect toys, and much more! 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 butterfly and bug toys of all kinds. Made from recycled materials, these eco-friendly toys help spark imagination and practice STEM and STEAM skills. Size: Packaged dimensions: approximately 8 x 6 x 2 inches. Age: 6 years and up The 40 Piece Arts & Crafts Butterfly Building Kit is part of the ODDY Creative Building Kit collection.