Includes simple games, puzzles, and experiments which demonstrate basic scientific principles.
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Book Description Book Condition: Brand New. Book Condition: Brand New. Bookseller Inventory # 97800644601321.0
Book Description Paperback. Book Condition: BRAND NEW. BRAND NEW. Fast Shipping. Prompt Customer Service. Satisfaction guaranteed. Bookseller Inventory # 0064460134BNA
Book Description Trophy Pr, 1990. Paperback. Book Condition: New. Bookseller Inventory # DADAX0064460134
Book Description Trophy Pr, 1990. Paperback. Book Condition: New. book. Bookseller Inventory # 0064460134