STEM Explorers Bridge Builders Craft Papers>>Watercolor Paper Each set includes 87 total

Each set includes 87 total pieces

55116) or Arrow JT21 Staples

Includes chart pieces

2 star clusters: 7"w x 5

Nylon Wound

STEM Explorers Bridge Builders Craft Papers>>Watercolor Paper Each set includes 87 totalThe latest learning adventure from STEM Explorers! Follow along with this set's challenge guide to design, construct, and test bridges and buildings that demonstrate the basic STEM principles of structural engineering. Set of 77 pieces includes bridge platforms, columns, pulleys, a testing truck, and more. Build Critical Thinking Skills: As they test and tweak their designs, kids will also use this STEM building toy to build essential critical