5-Piece Giant Wooden Clothespins for Crafting, 7.5 inch Material_Steel Square-topped wooden screw simple-machine model

Square-topped wooden screw simple-machine model with a leverage block

INDUSTRIAL STRENGTH || Made of high quality

Four-metal 32mm density cube set with hooks in brass

and frequency timer modes for precise measurement of velocity

Proves horizontal velocity does not affect vertical fall time through a push-button launcher that simultaneously projects one steel ball and releases another

5-Piece Giant Wooden Clothespins for Crafting, 7.5 inch Material_Steel Square-topped wooden screw simple-machine modelFive piece giant wooden clothespin set sized at 7. 5 inches each supports crafting projects, photo displays, and classroom decor activities.