Smithsonian STEM Perpetual Motion Machine Physics Kit for Ages 8 and Up
- Brand:
- NSI
- Model Number:
- 51866
- UPC:
- 042409518663
- EAN:
- 0042409518663
- Walmart SKU:
- 1147384605
Key Takeaway
Price momentum shifted downward , bringing the cost to $19.49. This represents a 0.0% discount to typical levels.
Third-Party Seller Summary
| Price Type | Price | Date |
|---|---|---|
|
Highest Price
|
$17.99 | |
|
Lowest Price
|
$15.82 | |
|
Most Recent Price
|
$17.99 |
- Average Price
- $17.84
- First Tracked
- Last Update
Walmart.com Summary
| Price Type | Price | Date |
|---|---|---|
|
Highest Price
|
$19.49 | |
|
Lowest Price
|
$15.67 | |
|
Most Recent Price
|
$19.49 |
- Average Price
- $16.94
- First Tracked
- Last Update
Price Analysis
Tracking History: We have tracked Smithsonian STEM Perpetual Motion Machine Physics Kit for Ages 8 and Up since 9/17/2025. The most recent price update was on Apr 5, 2026.
Price Range: Over the past 90 days, the price has ranged from $15.67 (lowest on 9/17/2025) to $19.49 (highest on 2/8/2026). The average price during this period is $16.94.
Current Trend: Walmart.com prices have ranged from $19.49 (Apr 5) to $19.49 (Apr 5) over the past 90 days. Current price is close to the 90-day average of $19.49.
Price History
Recent Price Changes
Detailed price history for the past 90 days
Walmart.com Pricing
1 recordsWalmart.com prices have ranged from $19.49 (Apr 5) to $19.49 (Apr 5) over the past 90 days. Current price is close to the 90-day average of $19.49.
| Date | Price | Change | % Change |
|---|---|---|---|
| $19.49 | — | — |
Third-Party Seller Pricing
13 recordsThird-Party Sellers prices have ranged from $17.99 (Jun 6) to $17.99 (Jun 6) over the past 90 days. Current price is close to the 90-day average of $17.99.
| Date | Price | Change | % Change |
|---|---|---|---|
| $17.99 | $+0.00 | +0.0% | |
| $17.99 | $+0.00 | +0.0% | |
| $17.99 | $+0.00 | +0.0% | |
| $17.99 | $+0.00 | +0.0% | |
| $17.99 | $+0.00 | +0.0% | |
| $17.99 | $+0.00 | +0.0% | |
| $17.99 | $+0.00 | +0.0% | |
| $17.99 | $+0.00 | +0.0% | |
| $17.99 | $+0.00 | +0.0% | |
| $17.99 | $+0.00 | +0.0% | |
| $17.99 | $+0.00 | +0.0% | |
| $17.99 | $+0.00 | +0.0% | |
| $17.99 | — | — |
