Brand new, never opened. Pick-up only. I do not zelle or give out my number. Cross posted. Design, build, and create endless inventions with the Think Box Inventors' Box Store your personal components and creations in the Think Box storage case This Think Box Inventor's Kit comes with an Inventor's Guide Booklet and over 700 pieces to use along with everyday household items to create unique and useful inventions Ideal For Ages: 8+ ThinkBox Toys promote learning through play with engaging STEM activities for boys and girls Description The best inventions are usually made by accident or created out of necessity. What would make your life easier or more interesting? Use your Think Box Inventors' Kit to get started! Some of your inventions may come out exactly as planned, others may turn out differently. The inventors of bubble wrap were initially trying to create a 3D plastic wallpaper. It did not turn out as intended, but it was certainly a success!