This series of prisms demonstrates to the child the change in width (breadth), while the length remains constant. Practice with The Brown Stair indirectly prepares the child for concepts in plane geometry, area and volume.
The 5 brown prisms of the same length (20cm) but differing in height.
The largest stair is 15 x 10 x 10cm
scaling down 5 steps to
the smallest stair 15 x 2 x 2cm
Purpose
Direct
Visual discrimination of dimensions (thickness).
Indirect
– Refinement of voluntary movement.
– Muscular education of grip.
– Preparation for mathematics.
Packing Size and Weight: 26cm x 21cm x 11cm, 3kg

Multiple Shapes Blocks with Box
$64.20 (Inc. GST)

Imbucare Box with 4 Shapes
$91.35 (Inc. GST)
Broad Stair 5 Steps (full size steps)
$145.20 (Inc. GST)
This series of prisms of different heights helps children understand changes in width while length remains constant. It prepares them for concepts in geometry, area, and volume.
This series of prisms demonstrates to the child the change in width (breadth), while the length remains constant. Practice with The Brown Stair indirectly prepares the child for concepts in…
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Description
Additional information
Weight | 3000 g |
---|---|
Dimensions | 26 × 21 × 11 cm |
Shipping & Delivery
Shipping & Packaging
Whenever possible, we will combine items from your order into a single shipment. However, due to variations in size, weight, or availability, some items may need to be shipped separately and charged accordingly. Backordered items will be dispatched as they become available, and their shipping charges will be added to the invoice at the time of dispatch. You will receive an email notification with a link to complete the payment using your preferred method. To avoid delays, if we do not receive a response within 24hrs, the shipping charge for backordered items will be added to your original invoice and charged to the payment method provided. If this is unsuitable, please contact us in advance to arrange an alternative payment option.
We work with trusted courier partners offering competitive rates, ensuring most major city deliveries are completed within 24-36hours.
Shipping charges are determined based on the weight, size, and destination postcode of your order and are included in your final invoice at the time of dispatch. We offer a standard delivery fee based on your order total, as outlined in the table below. For deliveries to remote or rural areas, as well as oversized packages or pallet orders, additional charges may apply based on the courier service or Australia Post rates. If extra shipping costs are required for your address, we will notify you via email with the additional charges before processing your order.
Unlike many online retailers, our products do not include built-in shipping costs — you pay only for the actual packaging & courier handling fee.
Delivery Information (For Australia Only)
Over Spend | Delivery Fee(Inc GST) |
---|---|
Up to $100 | $15.90 |
$100.01 - $300 | $26.90 |
$300.01 - $500 | $39.90 |
$500.01 - $700 | $49.90 |
$700.01 - $1000 | $59.90 |
Over $1000 and bulky heavy items | $83.85 OR to be quoted before dispatch |
For New Zealand, additional shipping charges will apply.
For deliveries to some remote/rural postcodes and oversized packages, additional charges may apply. If extra shipping costs are required for your delivery address, we'll notify you by email before processing your order.
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Size Guide
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