Space Astronauts Building Blocks Spaceman Exploring Robot Adventure Model Action Figure Bricks Educational Assembly Toy Gift Crib mattress cover Feature: Clear Back Case +

Feature: Clear Back Case + TPU Bumper

Output Frequency: 1–330Hz

Modular Battery System – With intelligent power management

High Sample Rate & Bit Depth: Supports 24-bit/192kHz sample rate for superior audio resolution

Space Astronauts Building Blocks Spaceman Exploring Robot Adventure Model Action Figure Bricks Educational Assembly Toy Gift Crib mattress cover Feature: Clear Back Case +Specifications Product Type: Construction Building Blocks Kit (Spaceman Exploring Robot Adventure Model) Block Size: Small building blocks (compatible with LEGO) Number of Bricks: Not specified Material: Plastic (ABS and PP high quality, environmentally friendly, non toxic) Plastic Block Shape: Self Locking Bricks Is Electric: No battery required (noted as "optional," but default is non electric) Gender: Unisex Recommended Age: 14 years and above