Quantity: 4 Dark Green Pineapple Grenades. Battery Operated Pineapple Hand Grenades (Batteries Included). Dimensions: 4" length x 2" diameter. Hold trigger and timer sounds for 8 seconds before sound effect explosion. Release pin included as decoration. Material: Hard Plastic. Please contact us for replacements if toys are damaged or defective. Grenades will break if thrown on hard surface and sound effects will stop.