Fat Brain Toys Air Toobz Expansion Pack - Air-Powered STEM Building Toy
- Set of extra Toobz and balls for expanding your Air Toobz set
- This expansion pack comes with enough tubes and connectors to double the length of your Air Toobz build, plus 10 extra balls
- Includes 6 transparent 12-inch tubes, 6 transparent orange corner tubes, 12 easy-fit connectors, 10 colorful EVA foam balls
- Encourages spatial reasoning, creativity, experimentation, STEM learning
- Turbine not included, sold separately