81 IQ Builder Constructor Set Toy

Set of 81 pieces. As is. 4 Stick pcs has defect but still usable (shown on photo). Insert connector into ball until you hear a click. Remove by squeezing the end of the connector and pull away. Easy to clean, wash with water. Weight ~ 6.1 oz Keywords: sticks construction building 3D shapes STEM educational creativity design interlocking Connectagons Polydron Kid K'NEX Tinkertoys Zoob Crazy Forts Big squares Rectangles Long triangles Small triangles Connecting balls Extra long connectors Long connectors Medium connectors Small connectors Wheels Wheel connectors