24-piece Unit Rocks set (extension to 100-piece set) bricks Mini Unit Beam's Eiffel Tower

Mini Unit Beam's Eiffel Tower kit #3 will delight your young engineer and the entire family

By far the coolest building system available for advanced builders

Natural appearance mimics real-life steel connectors

With over 470 pieces of precision molded mini beams and connectors

There is no design more challenging and entertaining than this set

24-piece Unit Rocks set (extension to 100-piece set) bricks Mini Unit Beam's Eiffel TowerBudding architects can build even bigger with our 24 piece Unit Rocks set a perfect complement to our best selling 100 bricks set. Weighted and measured the same as our standard bricks, this extension set includes more units and half units for building on those STEM based foundations. Can also be used as a starter set for children newer to block play. Beautiful and built to last heirloom quality Hand carved textured wood is tactile and weighted to