May Specials   Ten-Row Abacus - An abacus is a counting tool that has been in use around the world for thousands of years. This modern version allows the user to learn early math concepts through both visual and hands-on learning. Ten colorful rows of beads slide on thin rods, helping early learners understand counting, addition, subtraction, grouping, sequencing and more. This abacus is free standing, and the plastic base measures 9" x 4" x 8.75". An activity guide is included. #1323 $14.95 $13.50 Sale! The Fraction Zone Bingo Game: Beginning Fractions - A fun game to reinforce fractions at home. The unique puzzle format allows players to create their own bingo cards and select from two levels of challenge. The Beginning Fraction Zone Game focuses on identification of fractions through eighths using circles and squares. Includes four bingo cards, markers and two-sided spinner. For 2-4 players. Ages 7-10. #0613 $19.95 $17.99 Sale! The Fraction Zone Bingo Game: Advanced Fractions - A fun game to reinforce fractions. The unique puzzle format allows players to create their own bingo cards and select from two levels of challenge. 1) Identify Fractions - Level. Identify up to twelfths using circles, rectangles and dots. 2) Rename Fractions - Level 2. Rename and identify equivalencies up to twelfths. Includes four bingo cards with removable pieces, markers, 100 bingo markers and two-sided spinner. For 2-4 players. Ages 8-12. #0614 $19.95 $17.99 Galileo's Daughter by Dava Sobel. Sobel is a talented historian, translator, and science writer. Her book is a wonderful way to learn about Galileo's life and about basic physics through his arguments about motion, the tides and the planets; further, we read later how mathematics came to be applied to science. Most important, the book brings Galileo's daughter, the nun Suor Maria Celeste, alive. Her letters about her cloistered life, her feelings and thoughts, and her relationship with her father, make you feel a genuine depth of faith and love. In addition, you learn fascinating things about how and why the Church fought Galileo's ideas about the planets, how people lived during the Plague, the early history of science, Galileo's invention of the military and geometric compass, and all sorts of other details that make this much more than a history book. While the book is beautifully illustrated throughout, it is most appropriate for experienced readers.   Paper, 420 pages. (We also carry the author's book, Longitude). #0553 $15.00 $10.99 Sale! SET: The Family Game of Visual Perception The object of the game is to identify "sets" of three cards. Shout SET!, and everyone checks to see if you have found the three cards that form a set from the twelve laid face up on the table. You now have one point, and the search starts again. Age is no advantage in this game. Ages 6+. #910X $12.00 $9.99 Sale! Xactika is a card game that challenges you to exactly bid the number of tricks you can take with your hand. Unlike other bidding games, each card in every Xactika hand gives you four ways to play it. So you're not locked into a position because of the cards you are dealt. Using your wits, and listening to the bidding and playing, you will see opportunities to use your cards to take tricks and lose them, as you need. Xactika's extra options can play right into your hand! There are eight hands of eight cards. High score wins. Ages 12 & up. 2-10 Players. #9142XX $12.00 $9.99 Sale!   top of page