Block-a-Roo Once Upon a Stem blocks setup into 3 towers. The 2 left tower tops are purple cone shapes and the right tower top is an orange dome shape. The cylindrical shaped blue pieces make up the tower portions. There are 3 dark blue square pieces and turquoise quarter circle shapes as well. They are stuck together by magnets inside each piece.
Block-a-Roo Once Upon a Stem blocks setup into 3 towers. The tower tops are purple cone shapes. The cylindrical shaped blue pieces make up the tower portions. There are 3 dark blue square pieces, 3 turquoise rounded-triangle shapes, and 2 orange half circle pieces connected to the towers. They are stuck together by magnets inside each piece.
Block-a-Roo Once Upon a Stem blocks. The main part of the picture shows toddler hands holding an orange half circle piece and a blue cylindrical piece with red motion lines between the 2, illustrating that they are magnetic. In the background is a toddler hand spinning a purple cone shaped piece on top of a blue cylindrical piece. There is a magnet icon in the lower-left of the picture. The text at the top reads “pieces connect and spin like magic.”
Block-a-Roo Once Upon a Stem block pieces shown at the bottom. There is a blue cylindrical piece in the center and surrounded by other shaped and colored pieces including; a dark blue square block, an orange dome block, a purple cone block, a purple square block, a round-topped cylindrical block, and a round half red and half orange block. The white text at the top over a turquoise background, reads “soft, durable foam.”
Block-a-Roo Once Upon a Stem block pieces shown at the bottom. The white text at the top over a red background, reads “13 pieces.” The pieces below are 3 purple triangles that measure 2.25 inches. There are also 2 red plastic elbow pieces, a 2-piece character with a face, 2 orange plastic dome-topped cylindrical pieces connected by a string, 3 yellow foam dome-topped cylindrical pieces, 1 red candle flame-shaped piece, and 1 dark blue rectangle car piece with 4 wheels.
Block-a-Roo Once Upon a Stem block pieces shown at the bottom. The white text at the top over a red background, reads “35 pieces.” There are 3 dark blue square pieces that measure 2.25 inches. There are also 6 red elbow pieces, a 2-piece character with a face, 6 yellow dome-topped cylindrical pieces, 4 turquoise rounded triangle pieces, 4 purple cone-shaped pieces, 2 orange half circle pieces, 2 purple triangle pieces, and 6 cylindrical pieces.
Block-a-Roo Once Upon a Stem being used by a father and son. They have created a town with fighting robots and are in the process of moving the robots toward each other. White text reading “inspire creativity” is over an orange background at the top. To the right, there are 3 circle images; one of the block pieces being used as fridge magnets, one showing the magnets works between fabric, and the character piece with a paper cape placed between the 2 body pieces.
Block-a-Roo Once Upon a Stem blocks setup into 3 towers. The 2 left tower tops are purple cone shapes and the right tower top is an orange dome shape. The cylindrical shaped blue pieces make up the tower portions. There are 3 dark blue square pieces and turquoise quarter circle shapes as well. They are stuck together by magnets inside each piece.
Block-a-Roo Once Upon a Stem blocks setup into 3 towers. The tower tops are purple cone shapes. The cylindrical shaped blue pieces make up the tower portions. There are 3 dark blue square pieces, 3 turquoise rounded-triangle shapes, and 2 orange half circle pieces connected to the towers. They are stuck together by magnets inside each piece.
Block-a-Roo Once Upon a Stem blocks. The main part of the picture shows toddler hands holding an orange half circle piece and a blue cylindrical piece with red motion lines between the 2, illustrating that they are magnetic. In the background is a toddler hand spinning a purple cone shaped piece on top of a blue cylindrical piece. There is a magnet icon in the lower-left of the picture. The text at the top reads “pieces connect and spin like magic.”
Block-a-Roo Once Upon a Stem block pieces shown at the bottom. There is a blue cylindrical piece in the center and surrounded by other shaped and colored pieces including; a dark blue square block, an orange dome block, a purple cone block, a purple square block, a round-topped cylindrical block, and a round half red and half orange block. The white text at the top over a turquoise background, reads “soft, durable foam.”
Block-a-Roo Once Upon a Stem block pieces shown at the bottom. The white text at the top over a red background, reads “13 pieces.” The pieces below are 3 purple triangles that measure 2.25 inches. There are also 2 red plastic elbow pieces, a 2-piece character with a face, 2 orange plastic dome-topped cylindrical pieces connected by a string, 3 yellow foam dome-topped cylindrical pieces, 1 red candle flame-shaped piece, and 1 dark blue rectangle car piece with 4 wheels.
Block-a-Roo Once Upon a Stem block pieces shown at the bottom. The white text at the top over a red background, reads “35 pieces.” There are 3 dark blue square pieces that measure 2.25 inches. There are also 6 red elbow pieces, a 2-piece character with a face, 6 yellow dome-topped cylindrical pieces, 4 turquoise rounded triangle pieces, 4 purple cone-shaped pieces, 2 orange half circle pieces, 2 purple triangle pieces, and 6 cylindrical pieces.
Block-a-Roo Once Upon a Stem being used by a father and son. They have created a town with fighting robots and are in the process of moving the robots toward each other. White text reading “inspire creativity” is over an orange background at the top. To the right, there are 3 circle images; one of the block pieces being used as fridge magnets, one showing the magnets works between fabric, and the character piece with a paper cape placed between the 2 body pieces.

Once Upon a STEM

Once Upon a STEM allows children to build successfully with the big, soft, colorful, magnetic foam blocks.

$114

Ages3+
AvailabilityUsually ships in 3-10 days..
Not for SaleThis product is not for sale.
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You'll earn 114 Doodle Dollar points.

Product Code: 163-150

Multiple Grades

Multiple Grades

Supplemental Material

Supplemental Material

Nonreligious

Nonreligious

In a Curriculum Kit

In a Curriculum Kit

Encourages Creativity


"I cannot recommend these enough. Fun for a variety of ages and allows for a lot of creativity."
-Brittany T.
Encourages Creativity

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