Customer Support
Our Customer Support team is always here to help with any questions.
Submit Support TicketUltra PRO: Block Building Base
A more simple solution for OYO and LEGO storage and display, the Ultra PRO Black Building Base has a familiar green color and comes in packs of four. Although it does not offer any cover, the larger size and square shape makes it easier to organize larger collections
• 10 x 10-inch Block Building Base
• 4 pieces per pack
• 10 x 10-inch Block Building Base
• 4 pieces per pack
Frequently Asked Questions
Where can I buy Ultra PRO: Block Building Base?
You can buy Ultra PRO: Block Building Base online at INNER NERD. We offer fast shipping and competitive prices on all trading card products.