Floating Colour Timer

£4.00

  • A captivating visual sensory aid.
  • Turn the tube upside down and watch the liquid bubbles spiral down to the bottom of the tube.
  • Approximately 15 cm in height.
  • The surrounding temperature should be between 050 ° C.
  • Dimension: 135*50*30mm.
  • If contact with oil occurs, wash with soap water.
  • Keep-out of direct sunlight.
  • Package Including: 1 x Oil hourglass.

Out of stock

Description

Floating Colour Timer

  • A captivating visual sensory aid.
  • Turn the tube upside down and watch the liquid bubbles spiral down to the bottom of the tube.
  • Approximately 15 cm in height.
  • The surrounding temperature should be between 050 ° C.
  • Dimension: 135*50*30mm.
  • If contact with oil occurs, wash with soap water.
  • Keep-out of direct sunlight.
  • Package Including: 1 x Oil hourglass.

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