Walnut-Ridge Science

Great Gift Idea
.. This is the ultimate vehicle! You can make 3 or 4 different kits or 1 super vehicle. Includes enough stuff to make the Mousetrap, Egg Drop, Air Prop or Jet Balloon Racer. The Walnut Ridge Problem Solving Kits continue to be one of the most popul ar kits for kids available. Use them for science projects, scouting/4H events, class projects or just plain parent and child fun! Each kit contains all the items you'll need to make the vehicle, plus one set of instructions..but
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Great Gift Idea
Battery Holder. Make your own friction driven car. This kit includes a motor and all the stuff you need to mount an engine to a wood chassis. It's up to you to decide how the engine works and drives the wheels. It is a great problem solving exercis e. As a change up you can substitute a 1000 mAmp solar
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