If you want complete set of boards

or assembled toy check my store

https://www.tindie.com/products/bobricius/picozx-handheld-zx-spectrum-128k-other-8bits/

Simplified version, without LCD but with original enclosure option and TH components

https://www.tindie.com/products/bobricius/picozx-motherboard-for-zx-spectrum-original-case/

Features:

• 2.8" IPS Screen, very clear with beautiful colors
• Based on Raspberry Pi PICO
• USB-C - 18650 Battery charging
• 49 buttons QWERTY keyboard
• AY sound emulation
• 180x120mm dimensions

USE CASE:

• Learn programing toy
• Can run Retro games MCUME multi retro computer emulator (ZX, C64, Atari800 and more)MCUME
• Optimized for ZX emulation which fit better to screen 320x240 resolution PICO ZX Spectrum by Fruit-Bat

Prepare an SD card

The following folders need to be created on the SD card:

• zxspectrum/snapshots Put your .z80 snapshot files in here.
• zxspectrum/quicksaves Folder for quick saves.
• zxspectrum/tapes Folder for .tap tape files.

Slim vs Full, main board only check in gallery

• FULL - Triangle side board, upper side cover with all holes for VGA, Joystick, USB host...
• SLIM - all sides same size, upper cover only hole for SD card and USB charging

Main board only with some modifications is possible to use with use original membrane keyboard and case

Required components for DIY assembly

Later, labels written onboard