Home » Toys » Lot of 8 Kids Toy B/o Grenades for Pretend Play Toys Lot of 8 Kids Toy B/o Grenades for Pretend Play January 7, 2013 54 Lot of 8 Kids Toy B/o Grenades for Pretend Play; 4 Inch Realistic Battery Operated Grenades; Hold trigger and timer sounds for 10 seconds before explosion.