Mystery Bag: Stereognostic Identification

The mystery bag challenges children to create mental images from tactile information alone, building the stereognostic sense and vocabulary.

• Framework: Montessori
• Unit: Sensorial
• Learning area: Stereognostic Sense
• Level: Ages 3-5

Objectives

• Identify objects through touch alone
• Develop stereognostic sense
• Build mental imagery skills
• Practice descriptive language

Materials

• Opaque fabric bag
• Familiar small objects (coin, key, button, marble, shell, clip, block, spoon)
• Matching objects displayed for reference (initially)

Instructions

1. Display reference objects. 2. Place duplicates in bag. 3. Child reaches in (without looking). 4. Feels one object. 5. Describes what they feel: 'It's round and smooth.' 6. Names the object. 7. Removes to check. 8. As skill grows, remove reference objects.

Educator tip

Start with very different objects and matching references. As skill develops, remove references and add similar objects.

Assessment

Child identifies all objects in the mystery bag by touch alone without reference objects.

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