assemble
baby
block
care
challenge
child
childhood
collect
construct
creative
day
education
element
father
figure
fun
game
geometric
geometry
girl
instructor
kindergarten
learn
leisure
lifestyle
logic
man
math
mathematic
numbers
object
parent
piece
play
playschool
preschooler
problem
puzzle
school
shape
small
solution
solve
square
structure
study
teacher