You can purchase JUMA kits from SRAT Oy Finland. SRAT Oy is the shop of SRAL - The Finnish Amateur Radio League.
 

JUMA-RX1 kit 75 EUR

JUMA-TX1 kit 98 EUR

JUMA-KEYER1 kit 15 EUR

JUMA-TRX1 kit 155 EUR

The kits include:
All the electrical components + PCBs + programmed microcontroller + wires (TRX1 Includes JUMA-KEYER1)
All the mechanical components: Enclosure (unmachined), switches, pots, knobs, connectors, speaker.
(Exception JUMA-KEYER1 includes no enclosure)

JUMA online shop

SRAT Oy Finland

Phone +358-9-5621080
Fax +358-9-5623987
Payments via Paypal accepted

For more information see JUMA equipment page