Quantum Leap is a toy and a collection in 2002 including the Quantum LeapPad (or simply Quantum Pad) interactive books with cartridges and Turbo Twist series. The Quantum LeapPad or the Quantum Pad Learning System (or simply Quantum Pad) is a LeapPad model for interactive books and cartridges. Instead of Leap 3, the series include Fundamentals, Above & Beyond, and Great Reader. Erasable markers are also available to write on using examples on pages. Quantum Pad: A Sampler from the Quantum Pad Li
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