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Play at least 12 different board games on this double sided wooden game board
and desk challenge
Also comes with solution
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an opponent's piece is removed
Napier's Bones | Handmade Wooden Math STEM Teaching Aid skier gift Play at least 12 differentNapier's Bones is a handcrafted wooden reproduction of the multiplication aid invented by John Napier in 1617. Before calculators, students and tradespeople used the marked rods to multiply, divide, and find roots. The base set ships with two complete sets of rods (0 9), a storage base, a wood cover, and printed instructions with worked examples. Optional square root or cube root bone add ons at checkout. Includes: storage base, 2 sets of rods 0 9,
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