|Product #: TF-8062
MINI BB SET SHAPE UPBulletin Board Sets-mini
# A 5-in-1 value!
# Contains enough pieces to build a lever, pulley, inclined plane, wheel and axle, and wedge—all at the same time.
# Modify machines with 4 included weights (two 5g and two 10 g) and 8 included rubber bands to explore effort, force, load, motion and distance.
# Labeled pieces assemble easily and separate to store.
# Set of 63 pieces includes Activity Guide
# Grades 5+