- $4.99Numbala: cool math gameAmazon
- $22.99KANKOJO Monster Balance Cool Math Game for Age 3-5, Toddler Learning Resources Number Blocks Preschool Games, Kids STEM Montessori Educational Toys Gifts for 4 Year Old Boys GirlsAmazon
- $18.99HT HONGTENG Balance Counting Cool Math Game for Kids - STEM Toys for 3 4 5 6 Year Olds Boys and Girls Educational Kindergarten -Astronaut Number Learning MaterialAmazon
- $15.99Genlestrus Astronaut Balance Counting Toys, Cool Math Game Preschoolers STEM Learning Education Number Toys Fun Interactive Kids Toys Montessori Birthday Gifts for 3 4 5 6 7 Years Old Boys GirlsAmazon