• Safe Smooth ABS Plastic Construction

Crafted from premium non-toxic ABS plastic with smooth rounded edges to avoid skin scrapes. Each small block fits tightly and resists cracking during repeated builds, free of strong chemical smells for worry-free teen play.

• Stunning Built-In LED Light Tube Design

This 689-piece cobra set comes with a battery-powered LED light tube running through the snake's body. The glowing body makes the finished mechanical cobra a unique eye-catching bedroom shelf decoration after assembly.

• STEM-Focused DIY Assembly Training

Putting together the segmented mechanical cobra's 689 tiny bricks improves teens' spatial awareness, fine motor skills and basic mechanical logic. It provides healthy screen-free entertainment combining fun and educational learning.

• Ideal Holiday & Birthday Gift for Ages 7-14

The cool industrial mechanical cobra look stands out among regular brick toys. It serves as a perfect birthday, Christmas or reward gift for young block lovers, supporting solo building or parent-child bonding time.

• Ready Gift Box for Convenient Gifting

All 689 small bricks are fully packed in a sturdy printed retail gift box. The lightweight finished cobra model is easy to display on shelves, and the original package eliminates extra wrapping work for gifting.

What's in the box
1 x 689-piece mechanical cobra small particle building block pack
1 x Illustrated step-by-step assembly instruction manual