This 3-in-1 construction toy set includes an excavator, dump truck, and bulldozer designed for sand play. It features sound and light effects for added realism, with working excavator arms and a movable truck bed to encourage hands-on play. The set is suitable for both indoor and outdoor use, including sandboxes, playrooms, and backyards. Made from durable, child-safe materials, it meets safety standards for lasting play.