You are bidding on a Learning Resources 5 Simple Machines Science Set 63 Pcs Kit-STEM-Preowned-Like New Some of these kits have never used-originally sold for double!! Not for under 3 yrs old-choking hazard Includes 5 simple machines -great for school, homeschool, science fair, etc construct, examine & explain simple machines -make work easier. Contains enough pieces to build a lever, pulley, inclined plane, wheel/axle, & wedge all at once! 4 included weights (two 5g plus two 10g), and 8 rubber bands explore effort, force, load, motion & distance. 63 pieces (depending on kit-mau be missing a few pieces-give or take) and/or activity guide I also have this kit lightly used with all pieces!! |