Voltorb Flip

Level 1: 6 Voltorb, 20-50 coins

 * 24 (2x2x2x3)
 * 27 (3x3x3x3)
 * 32 (2x2x2x2x2)
 * 36 (2x2x3x3)
 * 48 (2x2x2x2x3)

Level 2: 7 Voltorb, 50-100 coins

 * 54 (2x3x3x3)
 * 64 (2x2x2x2x2x2)
 * 72 (2x2x2x3x3)
 * 81 (3x3x3x3)
 * 96 (2x2x2x2x2x3)

Level 3: 8 Voltorb, 100-200 coins

 * 108 (2x2x3x3x3)
 * 128 (2x2x2x2x2x2x2)
 * 144 (2x2x2x2x3x3)
 * 162 (2x3x3x3x3)
 * 192 (2x2x2x2x2x2x3)

Level 4: 200-500 coins

 * 216 (2x2x2x3x3x3)
 * 243 (3x3x3x3x3)
 * 256 (2x2x2x2x2x2x2x2)
 * 324 (2x2x3x3x3x3)
 * 384 (2x2x2x2x2x2x2x3)
 * 432 (2x2x2x2x2x3x3)
 * 486 (2x3x3x3x3x3)

Level 5: 500-1000 coins

 * 512 (2x2x2x2x2x2x2x2x2)

Level 6: 1000-2000 coins

 * 1024 (2x2x2x2x2x2x2x2x2x2)

Level 7: 2000-3000 coins

 * 2048 (2x2x2x2x2x2x2x2x2x2x2)

Level 8: 3000-5000 coins
Level 8 can be unlocked by beating level 7 a random number of times.
 * 4096 (2x2x2x2x2x2x2x2x2x2x2x2)