Best Lock Construction Polic Copter, Car and Station 120-Piece Building Set. Your local police station house are on call and happy to help with life's everyday problems or team up with the town police department to assist in emergency situations in this great value construction set from Best-Lock Construction Toys. Providing hours of fun for children aged 5 years up, and compatible with other leading brands, the blocks offer amazing value as well as building highly detailed and realistic models with lots of cool play elements to entertain generations of building block fans - from first time builders to long standing collectors.