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  2. Froebel gifts - Wikipedia

    en.wikipedia.org/wiki/Froebel_gifts

    The familiar shape of the cube is now divided into eight identical beechwood cubes, about one inch along each edge, which is a convenient size for the hand of a small child. A child delights in pulling apart this gift, rearranging the eight cubes in many ways, and then reassembling them in the form of a cube. This is the first building gift.

  3. Montessori sensorial materials - Wikipedia

    en.wikipedia.org/wiki/Montessori_sensorial_materials

    The binomial cube is a cube that has the following pieces: one red cube, three black and red prisms, three black and blue prisms, and one blue cube. A box with eight prisms represent the elements of ( a + b ) 3 {\displaystyle (a+b)^{3}} or: a 3 + 3 a 2 b + 3 a b 2 + b 3 {\displaystyle a^{3}+3a^{2}b+3ab^{2}+b^{3}}

  4. Rubik's family cubes of varying sizes - Wikipedia

    en.wikipedia.org/wiki/Rubik's_family_cubes_of...

    A cube layer is a one-cubie-thick slice of the cube perpendicular to its axis of rotation. Outer layers (faces) contain more cubies than inner layers. For a cube of size , there will be layers along any given axis. Cube face The meaning of a cube face depends on the context in which it is used.

  5. Pecola - Wikipedia

    en.wikipedia.org/wiki/Pecola

    Pecola (Japanese: ペコラ, Pekora) is an animated children's television series that features cube-shaped anthropomorphic animals in a place named Cube Town.The series is based on a series of children's picture books by Naomi Iwata.

  6. Square-1 (puzzle) - Wikipedia

    en.wikipedia.org/wiki/Square-1_(puzzle)

    The Square-1 puzzle was sold in this shape with instructions for turning it back to a cube. This is halfway through a vertical turn. The Square-1 is a variant of the Rubik's Cube. Its distinguishing feature among the numerous Rubik's Cube variants is that it can change shape as it is twisted, due to the way it is cut, thus adding an extra level ...

  7. Mirror blocks - Wikipedia

    en.wikipedia.org/wiki/Mirror_blocks

    The Mirror Blocks, also known as the Mirror Cube and Bump Cube, is a type of combination puzzle and shape modification of the standard 3×3×3 Rubik's Cube and was invented in 2006. The puzzle's internal mechanism is nearly identical to that of the Rubik's Cube, although it differs from normal 3×3 cubes in that all pieces are the same color ...

  8. Infinity cube - Wikipedia

    en.wikipedia.org/wiki/Infinity_cube

    An Infinity cube made of dice being played with An animation showing different moves and states of the Infinity cube (click to animate) An Infinity cube is a kind of mechanical puzzle toy with mathematical principles. Its shape is similar to a 2×2 Rubik's cube. It can be opened and put back together from different directions, thus creating a ...

  9. Manipulative (mathematics education) - Wikipedia

    en.wikipedia.org/wiki/Manipulative_(mathematics...

    For example, three green triangles make a red trapezoid; two red trapezoids make up a yellow hexagon; a blue rhombus is made up of two green triangles; three blue rhombi make a yellow hexagon, etc. Playing with the shapes in these ways help children develop a spatial understanding of how shapes are composed and decomposed, an essential ...