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Tree of Knowledge

Products (Total Items: 23)
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Alarm Kit!
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$11.95
Ages 8+
Chemistry 60!
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$27.95
Ages 10+
Crystal Radio!
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$14.95
Ages 8+
Detectolab!
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$28.95
Ages 8+
Go - Remote Control Robot!
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$17.95
Ages 8+
Go - The Guide Robot!
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$15.95
Ages 8+
Go - Treasure Finder Robot!
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$17.95
Ages 8+
Go - Wake Me Robot!
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$12.95
Ages 8+
Hydro Lab Greenhouse!
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$45.95
Ages 10+
Lemon Clock!
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$14.95
Ages 8+
Mighty Motors!
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$11.95
Ages 8+
My Health - Breathing!
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$27.95
Ages 8+
My Health - Vision!
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$17.95
Ages 8+
My Senses!
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$32.95
Ages 8+
Physics!
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$36.95
Ages 10+
Robotics!
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$39.95
Ages 8+
Solar Power!
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$29.95
Ages 10+
Sun Power! - solar energy
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$11.95
Ages 8+
Super Chem 120!
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$36.95
Ages 10+
Super Chem!
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$32.95
Ages 8+
Water Clock!
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$19.95
Ages 8+
Water Works - the Physics of Water!
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$15.95
Ages 8+
Weather Station!
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$28.95
Ages 8+