7 years old

7 years old
pattern machine
Pattern Machine

Pattern Machine

Be forewarned: you will not be able to leave the Pattern Machine alone. Perhaps you will make it your life's mission to put the Pattern Machine into each of its 18,000,000,000,000,000,000 possible states. You will not achieve this. You have been warned. (But it's...

children's working turtle math puzzle
Wooden Tiling Turtles

Wooden Tiling Turtles

One beautiful set of 25 wooden tiling turtles. Laser cut from solid wood. These turtles encourage spatial reasoning, patterning, and counting. Mostly, they are just irresistible. These turtles were designed by Jos Leys and adapted for the laser cutter by Kevin Lee...