For kids who love to build and experiment, these kits focus on spatial reasoning and artistic expression.
: A kid-safe turbine system that sends foam balls through modular, transparent tubes to teach physics and airflow. Available at Sharper Image for ~~~$199.99~~~ $143.99. fun things to buy for kids
: Uses safe, low-heat 3D printing technology to allow children to "draw" physical objects in the air. For kids who love to build and experiment,