A mental workout to rival Su Doku! Dozens of compelling and addictive mathematical puzzles to challenge your mental arithmetic and powers of deductive reasoning. For the serious number puzzles addict. Varying levels of difficulty.
"With this kit, complete with a 32page book explaining bonsai gardening, an instruction sheet, a small pot, a peat pellet, a packet of seeds, and a pair of scissors, indoor gardeners can grow a peacefu"