| The following products are generally appropriate for children age 9-12, though the individual child's abilities should be taken into consideration, as well as the drgree to which an adult will work with and help the child. |
Four Tricky Two-Way Star Puzzles$7.95 Even a square can become a star! In this set, four squares are rearranged to form four different star shapes. Ages 8 to adult. [Add to Cart] [View Cart] |
Four Tricky Two-Way Puzzles$7.95 Turn a square into a triangle? How is that possible? Each of the four squares in this set can be transformed into a different geometric shape. See how fast you can solve them. Ages 8 to adult. [Add to Cart] [View Cart] |
Out in Space Magnet Pack$19.95 This puzzle will send kids into orbit! Planets, comets, asteroids and more form dozens of different patterns. When the lights go out, glow-in-the-dark features simulate a night sky! Instructions include facts about our Solar System plus brain teasers. Ages 6 to adult. 119 magnetic pieces. [Add to Cart] [View Cart] |
Polydron - Platonic Solids Set$29.95 Polydron is a system of durable plastic shapes that snap together by means of a unique clip hinge, making it easy to assemble two- and three-dimensional solids. The Platonic Solids Set contains 32 equilateral triangles, 6 squares, and 12 pentagons; enough to build all five Platonic solids simultaneously. Packaged in a durable plastic tub. [Add to Cart] [View Cart] |
Wintertime$3.95 This 10-piece foam puzzle, created originally by famed puzzle designer Stewart Coffin, contains all of the shapes (known as polyhexes) that can be made by connecting 3 or 4 regular hexagons in edge-to-edge fashion. The instructions show 8 different silhouettes with a wintertime motif. The challenge is to create these using the puzzle pieces. Ages 8 to adult. [ Add to Cart] [ View Cart] |
Grade 3 Math by Design$15.95 By Russel F. Jacobs. Follows up on "Grade 2 Math by Design" with exercises reinforcing Grade 3 math concepts. [ Add to Cart] [ View Cart] |
Grade 4 Math by Design$16.95 By Russel F. Jacobs. 36 pages of Grade 4 math activities, including addition, subtraction, multiplication, and division of 2- and 3-digit number, as well as measurement, word problems, rounding, and more. [ Add to Cart] [ View Cart] |
Grade 5 Math by Design$17.95 By Russel F. Jacobs. 36 pages of Grade 5 math activities, including working with decimal numbers, simplifying fractions, and finding values from a straight line graph. [ Add to Cart] [ View Cart] |
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