Monster Mixer

Bowser's Monster Mixer is a special device from the Nintendo Adventure Book Monster Mix-Up. It is seen on the cover. The device's design is similar to real-world planes, but its front has two egg beaters. Beings that get hit by the device can suddenly fuse together in unpredicatble ways, such as:
 * Buzz Bombs (Bob-ombs with Buzzy Beetles)
 * Chomp Munchers (Chain Chomps with Munchers)
 * Goomba Troopae (Goombas with Koopa Troopae)
 * Goomerang Brothers (Boomerang Bros. with Goombas)
 * Soopa Koopa Paratroopa (3 Koopa Paratroopae)