Mezcla leche mas vinagre y obtendras una masa muy parecida al plastico que tus…
Marshmallow Catapult http://familyfun.go.com/crafts/marshmallow-catapult-874571/
100 Super-Fun STEM Resources for Kids | RaisingLifelongLearners.com STEM activities, books, toys, games, experiments, and explorations for kids of all ages.
4 Engineering Challenges for Kids - Craft Sticks, Plastic Cups, and Wooden Cubes
14 catapults for kids to build and learn with to apply their knowledge of simple machines!
Science | Classroom Decorations | Simple Machines Colossal Concept Poster | Learning Palace Educational Products serving teachers, parents and homeschoolers
Milk Carton Well- simple machines
Free printable Water Cycle Wheel
Making own simple machines and vehicles
Dragon's Den….Making Simple Machines Simple! If teaching simple machines makes you a little crazy, this site will help a bunch! Links to games, sites and resources are all included!