This is a UV light exposure unit for photo-resist etching PCBs.1 laser cut kit 1 top, laser cut 1/4 inch clear arcylic 1 bottom, laser cut 1/4 inch clear acrylic 1 curcuit board kit 1 PCB 1 mini USB, SMD 48 UVA LED 0603 (~410 nm) 48 200 Ohm resistor 0603 4 spacer 1/4 inch 4 thumb screw1 UV Box Kit 2 developer, 5 g bag 2 etchant, 5 g bag 1 tinning solution 3 Lock & Lock containers 6 Fotobard, 3x4 inch, single-sided 6 Fotoboard, 3x4 inch, double-sided 1 rubber gloves, pair 1 example mask book, 3x4 inch masks 1 Arduino mask 1 goggles 1 sponge 1 photographic paper pad-http://www.alibaba.com/product-gs/216309397/0603_UV_SMD_LED.html -$0.0735 each -http://cgi.ebay.com/100PCS-0603-Ultra-Bright-SMD-Purple-LEDs_W0QQitemZ380175467368QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item5884394368 -$0.19 each -http://cgi.ebay.co.uk/100-BRIGHT-UV%2FPURPLE-0603-SMD-LEDs-SMT-LED-100mcd-603_W0QQitemZ260316739549QQcmdZViewItemQQimsxq20091013?IMSfp=TL091013156004r32688 -$0.234 each -http://www.phenoptix.co.uk/UV_PURPLE_SMD_0603_LED_p/smd-uv-0603-100.htm -$0.20 each -http://www.niktronixonline.com/0603_SMD_LED_UV_Purple_Ultra_Bright_100_mcd_p/0603smduv.htm -$0.40 each -http://ledmuseum.home.att.net/leduv.htm -http://www.ec21.com/offer_detail/Provide_SMD_UV_LED--2142957.html -http://www.giant-supplier.com/0603smdLED.htm -http://yesled.com/eh/product_info.php/cPath/21_29_201/products_id/634-http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=311-200GRTR-ND -$0.001863 each -http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=P200GTR-ND -$0.00243 each-http://www.wclco.com/Plastic_Components/Spacers_Washers.php -WCL Fastening Facts -1.800.331.3816 -Catalog page: http://www.wclco.com/pdf/plastics/075-077.pdf-http://www.amazon.com/Lock-Piece-Rectangular-Value-Pack/dp/B001AS5VYQ/ref=pd_sim_k_4 -"Lock & Lock 1.4 Cup 8 Piece Rectangular Value Pack" -$4.33 each -http://www.amazon.com/Lock-Shrinkwrap-Square-Value-Storage/dp/B001ASAIRQ/ref=sr_1_12?ie=UTF8&s=home-garden&qid=1258338207&sr=1-12 -$5 each -http://www.amazon.com/2-5-CUP-SQUARE-LOCK/dp/B00167REFU/ref=sr_1_115?ie=UTF8&s=home-garden&qid=1258338553&sr=1-115 -"2.5 CUP SQUARE LOCK N LOCK" -$3.79 each -http://www.organize.com/squarecuplock.html -3.99 each-http://www.cool-amp.com/prices_order.html -Silver plating powder -$30.00 for 3 oz. http://www.rapidonline.com/Tools-Fasteners-Production-Equipment/PCB-Equipment/Etching/Tin-plating-crystals/29475 -11.58 for 90 g-http://www.pcbfx.com/ makes a Fab-in-aBox kit. They also sell toner sensitive foil.