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  • 24 turtle-shaped Reptangles that snap and slide together in over 100 ways
  • Vibrant colors
  • Build simple to complex polyhydra
  • Full-color bonus activity book with more than 80 puzzles
  • Teach geometric transformations, an essential math concept
  • Ages 6+
  • Awards: 2010 Parents' Choice Award - Recommended and 2010 Creative Child Preferred Choice Award
  • Size (case): 6-3/4" x 6-3/4" x 6-3/4" (17 cm x 17 cm x 17 cm)
  • Design: John Stapleton
  • Highest quality proprietary printing. See side-by-side comparisons.
  • We ship worldwide. Get fast and free shipping on US orders $75 and up.
  • Most orders ship out in just 1 business day.
  • Great customer service since 2008. Over 100,000 satisfied customers!
  • 100% satisfaction guarantee. You're covered: Everything you buy is guaranteed.
  • Your purchase helps support the blog as well as indie artists & illustrators.