Mini Unit Beams Truss Bridge Kit #4


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Our introductory truss bridge kit creates and epic all beam model. Great for trucks, trains and cars. Perfect for staging and RC car action as well!


Build on the same power of Pratt Scale Unit Blocks, Mini Unit Beams range teaches early math, engineering and physics. Combine the kits to make even more epic models and keep building the world you want!

All Mini Unit Beams kits are compatible with other Mini Unit Beams kits and can be used in conjunction with our Mini Unit Bricks and Mini Unit Rocks. 

Kit includes retro-styled frame worthy assembly sheet, 200 pieces of precision Mini Unit Beams and storage carton made of recycled wood fibers.



  • For ages 6 to 106 years young
  • Based on Pratt scale standard unit blocks 
  • Compatible with Mini Unit Bricks and Rocks 
  • Multi-sensory and tactile 
  • Encourages explorative and open-ended play 
  • Introduces mathematic foundations, logic and problem-solving 
  • Great for hand-eye co-ordination, fine motor skills and balance building