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WOOCS v.2.3.2

The Knobless Cylinder Cards Set B

This activity improves the Child’s ability to discriminate between size, height and volume.  Because the Child learns the correct terminology, they grow their vocabulary.


In stock

SKU: XSL6617

In stock


The Knobless Cylinder Cards: Set B, an extension for the 4 sets of knobless cylinders.  Each set of knobless cylinder varies in colour and dimension.  The cards are primarily used by the Child to practice visual discrimination, that happens to use the knobless cylinders.  The Child fits each cylinder to match the relevant outline on the card, by visually discriminating between the two.  The card acts as the control of error and grow in complexity as the Child’s skills improve.  Note, the cylinders illustrated in the featured image are sold separately.

Purpose of the Knobless Cylinder Cards – Set B:

  • train the eye to perceive fine differences in dimensions, size, height and circumference
  • recognize difference and similarities (when using more than one set)
  • improve hand to eye co-ordination of movement
  • self-checking activity, the Child can work alone

Contents of The Knobless Cylinder Cards – Set B:

  • a total of 16 cards with exercises for the red, blue, green and yellow cylinders
  • 4 cards for each individual set of cylinders
  • printed with eco-friendly ink on non-tear, recyclable card
  • no lamination required
  • wipe cards clean with a damp cloth when required

Size of Cards: 40 x 10 cm / (16″ x 4″)

Additional information

Weight 0.23 kg
Dimensions 40 × 10 cm


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