Trajectory Urge kit sensory science play and learn through play—naturally with

and learn through play—naturally with Freeplay

These lightweight rings are perfect for creating chains

Loose parts friendly

Whether it’s a castle

Trajectory Urge kit sensory science play and learn through play—naturally withA curated collection designed to support and celebrate the trajectory play urge where children explore movement, force, and direction by throwing, rolling, pushing, and propelling objects. This kit offers a variety of tactile and responsive resources that inspire experimentation, coordination, and joy in movement. Whether it's launching a ball across the room, racing a car down a ramp, or watching the tail of a rainbow ball swirl through the air,