150 pieces
- Colored tubes (75)
- Connectors (75)
$14.99
Add to CartLove this project? Want more?
Geometric Tubes Refill Pack
Design and build an infinite number of geometric structures. Test your engineering abilities, challenge others, and let your imagination soar. These are the same colored tubes and connectors from the geometric structures project in our boxes, in two refill sizes.
Two pack sizes
300 pieces
- Colored tubes (150)
- Connectors (150)
$24.99
Add to CartCheckout opens in our secure Subbly cart, where this product is listed as Geometry Engineering Straws. Tubes ship on their own, no subscription required. See the projects they build on the project library.
Want a new build every month?
3 projects, 3 topics, and 3 science lessons every month, all supplies included.