Enhance children’s STEM experiences with this outdoor play kit specifically designed to support exploration and discovery of physical science concepts while inviting investigation and wonder. Works well with any mud kitchen, water table set or at our Outdoor Exploration Center (CP-500). Kit includes a set of 6 oversized test tubes, 80 Translucent Pipe Builders for constructing waterways as well as 2 tools for pouring and squirting. All contents store in the included heavy-duty storage tub with locking lid, handles and rolling wheels.