Amazon.com: ELECROW Raspberry Pi 4 8GB Starter Kit, Raspberry Pi 4 Model B Laptop, Crowpi2 Single Board Computer with Power Supply & Black Case Edition- Advanced Kit (8GB RAM) : Electronics
$294.99 - PiTop Raspberry Pi Laptop - Tinkersphere
KIT-15175 | SparkFun Electronics pi-top Raspberry Pi Laptop Computer Kit | Distrelec International
The best Raspberry Pi laptop kits — The MagPi magazine
Simplifying The Ruggedized Raspberry Pi Portable | Hackaday