K'NEX Building Sets

Click the image to enlarge.

521 Super Value Tub

Item: # 12575


Price: $24.99


Out Of Stock

Add to Wish List

Build anything you can imagine with the 521 Super Value Tub! Loaded with 521 parts for lots of open building fun! Includes instructions/ideas for 35 unique models including dragsters, ferris wheels, dinosaurs, creatures and more! Parts and built models can be stored in the convenient storage tub. Most models can be built one at a time. Ages 7+. Made in the U.S.A.


  • Packed with 521 parts
  • Ideas for 35 unique models
  • Open building fun
  • Convenient storage tub
  • Rods and Connectors made in the U.S.A.
  • Ages 7+
  • UPC: 744476125750

Click & Drag for 3D spin

The following web sites may carry this product.
K'NEX cannot guarantee the availability of the toys at these retailers or provide any assurance that they can ship a particular item to your location.

Toys R Us

Note to Shoppers: Featured promotions and special offers are subject to timing and availability - Please be sure to check your retailer's website for current promotions.

Find a store near you...

521 Super Value Tub

Would you like to add this item to your Wish List? Yes or No

All form fields are required.

Please enter a valid email

Please enter a valid birthdate

Please enter a valid email