HABA Logic! CASE Starter Set - Brain Teaser Puzzles and Car Games for Kids Ag...

True Genius ~ Wooden Greek Computer Math Dial Puzzle/Calculator ~ 6"diameter

Wooden Counting Frame Abacus for Kids Math Learning - 10 Rows, 8-Inch

MAGIKON Wooden Counting Number Frame, 10 Rows Abacus for Learning Math (8-Inch)

Tangram Wooden Puzzle Brain Teaser Mind Game Brain Training for Kids or Adults

Montessori Magnetic Fraction Educational Puzzle for Children, Math Fraction...

Wooden Counting Frame Abacus for Kids Math Learning - 10 Rows, 8-Inch

Math Manipulative Magnetic Wooden Fraction Book Educational Math Learning Toy UK