Numbers Toys for Kids: Sponge building blocks contain 20 numbers photos , one side block is and the other side multiplication, plus, minus, divaide.Toddler Learning for Toddlers: Sponge numbers and...Cubes is a great educational Montessori toy for baby builders, stacking, comparison and all kinds of practical early learning.Great Gifts for Toddlers: This sensory toy is the best birthday and Christmas gift for boys and girls.They can learn numbers and...and make building with these sponge squres....