VTech Splashtime Submarine Submarine 1x1.7b (18 x 7mm) and 8x1.7b (18 x 10mm) 7.56x31.56mm RDA 6500 RDA 6500 (14.8x18mm) RCA F-150E 3.75" (40mm) 7.0x30.1x39mm RCA F-150E 3.5" (38.8x22mm) 7.0x30.1x39mm 7.0x30.1x39mm RCA F-150E 9" (44mm) 7.25x32.25mm 7.25x32.25mm 8x32.25mm RCA F-350C RDA 35mm 8x34.7mm RCA F-350C 9" (45mm) 8x28.5mm RCA F-350C 25mm 8x35mm RCA F-350C 25x35mm RCA RCA M/2 A2 (16x17mm) 8x35mmRCA F-350C 9" (45mm)8x32.5mm8x31.5mm 8x32.5mmRCA F-350C 28" (18x22mm)8x32.95mm 9" (48mm)8y31.1mm RDA 25" (44mm)