No tools needed, just curiosity to make this powerful electric motor! It"s fun to use as it powers its own motorboat. Instruction booklet included to help guide you through your experiments. Find a wide range of Poof-Slinky toys at Toys"R"Us.com! Poof-Slinky manufactures the POOF foam ball line and Slinky spring toys in the United States. Other products of POOF include the Classic Ideal construction toys and tabletop games, no-bake cooking kits, and science and activity kits. In the Spring of 2010 Poof-Slinky acquired Cadaco, a 75-year old manufacturer of a popular line of board games, including the famous Tripoley, the Ryan Oakes magic line, and the green activity/construction line EnviroBLOX; now called Stikits.