Play with air!Arrange the tubes and connectors in any way you can imagine. Create loops and swirls. Weave them under tables and over desks. Then, switch on the fan and let the experimentation begin...Can you make the foam balls leap from one tube to the next, or hover in mid-air, or go around and around in an endless cycle?Or, what happens when you set it to low speed vs high speed? What happens when you load the tubes with all the balls, then turn it all the way up?With hours of runtime and loads of balls, tubes, connectors, and accessories included, kids (and adults) will never want to stop exploring!Air Toobz ·       Kid-safe fan that sends foam balls flying through a network of modular tubes ·       Encourages spatial reasoning, creativity, experimentation, problem-solving, STEM learning ·       Connect and arrange the tubes any way you want ·       Accessories let you experiment with airflow and physics ·       Fan unit features simple on/off button, large dial with LED indicators for adjusting airflow ·       Experiment with how different levels of airflow affect movement ·       Fan unit has a rubber carrying handle ·       Rechargeable battery - 1 hour runtime on full speed, 3 hours on half speed ·       Features auto shut-off after 15 minutes to prevent battery drain ·       Includes 20 colourful EVA foam balls, 6 transparent 12-inch tubes, 6 transparent orange corner tubes, 1 T-tube, 1 silicone funnel, 12 easy-fit connectors, 1 fan unit, charging cable ·       Packaged in a reusable storage/carrying case ·       Plugs into a wall outlet to recharge ·       Fan unit measures 11.5 x 6.5 x 6 inches ·       High-quality materials and construction - Lasting durability, exceptional play experience. PLEASE NOTE: THIS IS A BULKY ITEM. Shipping will be charged at $20 per bulky item and it cannot be shipped overseas.