Piano Building Blocks Puzzle Large Assembly

Product information:

Material: Plastic/plastic
Function: Music/sound
Power supply mode: battery
Type of plastic building blocks: Small particles
Number of blocks: over 800 blocks (pieces)
Applicable age: Youth (15-35 years old)

Packing list:

1* Assemble building blocks/1* Assemble building blocks+ Dustproof box

Product picture: