Teal box for KEVA wooden building set showing a chain-reaction course with planks, a toy car, balls, and a bell.

Contraptions Reactions

$39.76
$39.76 $57.63
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Teal box for KEVA wooden building set showing a chain-reaction course with planks, a toy car, balls, and a bell.
  • Teal box for KEVA wooden building set showing a chain-reaction course with planks, a toy car, balls, and a bell.
  • Boy builds a wooden chain reaction course with natural planks, blue and red blocks, a toy car, and a small bell.
  • Diagram of contents: 150 wooden planks, colorful specialty planks, dowels, balls, bell, bowling pin, and red toy car.
  • Intricate wooden plank machine with a red toy car, orange ball, and silver bell on a teal background.
  • Wooden building planks forming a complex chain reaction machine with teal dominoes, orange balls, and a bell.
  • Wooden building blocks, an orange ball, and a bowling pin create a chain reaction machine against a dark background.
  • Variety of natural and colored wooden planks, blocks, orange balls, red toy car, silver bell, and blue lever pieces.
  • Wooden building set with natural planks, colorful blocks, orange balls, red toy car, bowling pin, and small silver bell.
  • Teal box for KEVA wooden building set showing a chain-reaction course with planks, a toy car, balls, and a bell.
  • Boy builds a wooden chain reaction course with natural planks, blue and red blocks, a toy car, and a small bell.
  • Diagram of contents: 150 wooden planks, colorful specialty planks, dowels, balls, bell, bowling pin, and red toy car.
  • Intricate wooden plank machine with a red toy car, orange ball, and silver bell on a teal background.
  • Wooden building planks forming a complex chain reaction machine with teal dominoes, orange balls, and a bell.
  • Wooden building blocks, an orange ball, and a bowling pin create a chain reaction machine against a dark background.
  • Variety of natural and colored wooden planks, blocks, orange balls, red toy car, silver bell, and blue lever pieces.
  • Wooden building set with natural planks, colorful blocks, orange balls, red toy car, bowling pin, and small silver bell.
Contraptions Reactions

Contraptions Reactions

$39.76
$39.76 $57.63

Keva Contraptions Reactions

  • Includes 200 KEVA planks and special reaction accessories for chain reactions

  • Build working ball tracks, cause-and-effect machines, and moving structures 🎢

  • Encourages experimentation, logic, and engineering thinking

  • Designed for kids ages 7 and up; suitable for solo or group play

  • Comes with detailed instructions and challenge ideas for beginners

  • Helps children understand principles of motion, force, and gravity

KEVA Contraptions turn building into a thrilling adventure in motion. Watch your child’s face light up as their creations come to life—rolling, tipping, and reacting just like a Rube Goldberg machine. 🚀

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