How are bridges designed? What makes a bridge strong? Teaches students to look closer at real-life designs--and make original structures that use the same important elements. Created to encourage open-ended building with minimal teacher involvement. Includes 8 photo cards showing actual bridges, plus hands-on manipulatives that invite children to build, explore and engineer. Back of each photo card explains key elements for each design to guide children's learning. You get 480 plastic bridge building materials, plus 8 photo cards for exploring structure, design, attributes & more. Longest building piece is 4 7/8". Develops skills in creative design; structural design, support and balance; and fine motor skills.
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