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251600 LEA 3 D Puzzle
251600 LEA 3 D Puzzle - Image 2

251600 LEA 3 D Puzzle

The LEA 3-D Puzzle is designed for supporting the development of the concept of “same”, first with colors, then with black & white concrete forms that are prerequisites for the measurement of recognition acuity with the LEA SYMBOLS® tests at an early age.

₹500.00

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SKU: JVBS510-1-1-1-1-1-3-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-3

Description

Plastic

Beads

Nylon

String

Beads

wood

Therapeutic

heavier cords

Product description

  • The LEA 3-D Puzzle is designed for supporting the development of the concept of “same”, first with colors, then with black & white concrete forms that are prerequisites for the measurement of recognition acuity with the LEA SYMBOLS® tests at an early age. 
  • During the play you can also observe eye-hand coordination and awareness of directions, which are often problems for children with brain damage, even mild brain damage. Package includes the booklet: Assessing Vision Development Through Picture and Shapes and instructions. Tray is 6.75″ x 6.75″ (17.2 cm x 17.2 cm). The 4 symbol puzzle pieces are approximately 2″ x 2″ (5.1 cm x 5.1 cm) each.
TopicDiscription
Purpose / Target UsersThe puzzle is intended to support the development of the concept of “same / matching,” beginning with colored forms then black & white shapes, which are prerequisites for recognition acuity testing using LEA SYMBOLS in very young children.
Good-Lite CoLea TestIt also enables observation of eye–hand coordination and directional awareness, especially in children or even in persons with mild brain damage.
It is not itself a formal visual acuity chart—it is a preparatory / developmental / response tool, especially for infants / toddlers or children who are not able to reliably use standard optotype charts.
Optotypes / SymbolsThe “optotypes” here are not printed letters or symbols, but 3D shaped puzzle pieces that correspond to the LEA SYMBOLS.
There are 4 symbol puzzle pieces, each 2″ × 2″ in size (colored / black & white) that must be matched in the tray.
Scaling / SpacingThere is no graduated scaling or spacing across multiple sizes. All 4 puzzle pieces are of equal size (i.e. 2″ × 2″).
There is no mention of spacing between “lines” (because it is not a chart) or graduated spacing.
The tray is square (6.75″ × 6.75″) and has cutouts that accept the pieces.
Range of Acuity / Line SizesBecause this is not meant for direct acuity measurement, the product does not provide a range of line sizes or graded acuity.

Rather, it is a training / matching / readiness tool to prepare a child for the recognition-style LEA SYMBOLS acuity charts.

The LEA test system uses graded charts (distance and near) for actual acuity, but this puzzle step sits upstream of that.
Testing DistanceThe product itself does not specify a testing distance (because it is used as a near matching / puzzle tool).
Physical Size & DimensionsTray (outer frame) dimension: 6.75″ × 6.75″ (17.2 cm × 17.2 cm)
Each of the 4 symbol puzzle pieces: 2″ × 2″ (5.1 cm × 5.1 cm)
The thickness (depth) is not specified in the product description.
Some external sources refer to a “3-D LEA Symbol Set” which measures approximately 7″ × 7″ × 0.75″. (This may be a slightly different variant or approximation.)
Mounting / Display FeaturesThe unit is a tray with cut-out slots for the symbol pieces; not designed for wall or cabinet mounting.
It is handheld / tabletop style.
There is no mention of built-in lighting, backlighting, or mounting hardware.
It is a standalone toy / response panel type device.
Because it is a puzzle, you simply place the tray in front of the child and give the pieces to match.
Included Accessories / ExtrasThe package includes:
 • The 3‑D puzzle (tray + 4 symbol pieces)
 • A booklet “Assessing Vision Development Through Picture and Shapes” and instructions for using the puzzle.
Durability / Material QualitiesThe product page does not explicitly state the material (e.g. type of plastic) or durability properties.
Usability / Marker of QualityIt is from Good‑Lite / LEA Test, a well-known brand in pediatric vision testing, which lends credibility.
It supports early stage training, fostering symbol recognition and eye–hand coordination before formal tests—making it useful in pediatric vision assessment workflows.

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