diff --git a/docs/Build_Guide/first2.md b/docs/Build_Guide/base.md
similarity index 64%
rename from docs/Build_Guide/first2.md
rename to docs/Build_Guide/base.md
index 077d766..7b8f72a 100644
--- a/docs/Build_Guide/first2.md
+++ b/docs/Build_Guide/base.md
@@ -13,12 +13,11 @@ We'll start with assembling the base structure and making the required modificat
- Fit the electronic components like switches, scroll wheel, and PCB into the shell. Secure everything with screws or clips, then test the mouse. + + In the middle of the tray, we'll make a pivoting hole which will hold the washbasin. With that, the tray can be rotated to each side to enable the 2 mode design: + * Tilted to **Left**: Clean water circulation for play (water recycles) + * Tilted to **Right**: Dirty water disposal or for washing with soap (drains to waste bucket) + +Here are the actions in this step: + * **3.1 Mark drill points**: Locate the horizontal center of the top tray's front and back edges. + * **3.2 Drill front hole**: Drill through the front section at the marked center point as high as possible. This would maximize tilt range. + * **3.3 Measure and match**: Measure the height of the front hole from the bottom of the metal piece. + * **3.4 Drill back hole**: Using the same height measurement from the bottom of the metal piece at the back, drill the back hole to ensure the washbasin remains level when connected to the holes. + * **3.5 Install**: Screw the washbasin to the top tray through both holes to enable left-right rotation. + + **Key point**: Higher hole placement = Greater tilt range for the wash person. + + **Result**: Sink structure and washbasin are ready. Now it's time to install the pump, filter, switchbox and the faucet.
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-Get started with water conservation and independence building for toddlers aged 1+. No plumbing needed - the sink guides your child through hands-on learning about water use, cleanliness, and responsibility while having fun.
+Watch how the Smart Toddler Sink transforms daily routines
+Designed specifically for toddlers aged 1+ with adjustable height settings
+Intelligent water recycling system for endless play with minimal waste
+Switch between play mode and cleaning mode with a simple flip
+No plumbing required - use anywhere in your home or garden
+The sink is designed at the ideal height for toddlers, eliminating the need for stools or assistance. Your child can independently reach the faucet and washbasin.
+Clean water circulates through the system, allowing hours of play while teaching conservation. Dirty water is collected separately for easy disposal.
+Simply flip the washbasin angle to switch between water play and actual hand washing. The system automatically directs water to the appropriate container.
+Battery-powered pump means no plumbing connections needed. Perfect for terraces, gardens, playrooms, or any space where your child wants to play.
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+Get the complete DIY instructions and build your own Piqpoc Toddler Sink
+ Go to Documentation +Skip the hard parts! Get the pump, switch, and faucet delivered, and just do basic assembly
+ Order Kit +If desired, we can build one for you. Get the finished product delivered to your door. Currently available only in Spain.
+ Buy Complete +{siteConfig.tagline}
+