Description
Description
Why do things sink or float? Tub Sub knows.
As a boat, it floats. As a sub, it sinks. For a floating boat, push the flexible blue part down. For a sinking sub, pull the blue part up and fill the bottom with water. Only the periscope (also a handle) will stay above the water.
Encourages thinking and reasoning
Shipping Policy
Shipping Policy
- In stock items are shipped via UPS Ground from our warehouse in Boston, MA within 1-2 business days after placed. Transit time is 1-5 business days once it has been shipped.
- Items listed as shipped from manufacturer take an additional 1-2 business days for processing but most orders ship within 3 business days. You will receive tracking information as soon as we receive it from the manufacturer. Transit time is generally 1-5 business days once it has been shipped.
- We offer free shipping on orders over $99 within the continental US.
- Our full shipping policy, including transit times can be viewed here.