Monkey Lab

 is a new feature in Bloons TD 5 iOS. In the Monkey Lab, the user can access to 7 non-specific tower upgrades:
 * 1) Popping Power (increases pierce) - 2%/X%/X%/X%/X%/X%/X%/X% increase, costs 2/X/X/X/X/X/X/X tokens
 * 2) Attack Speed (faster firing) - 2%/3%/X%/X%/X%/X%/X%/X% increase, costs 2/3/X/X/X/X/X/X tokensAttack Speed Boost.png
 * 3) Starting Cash (more cash at the beginning) - $10/$20/$40/$60/$X/120/$X/$X extra, costs 1/2/4/6/X/X/X/X tokens
 * 4) Starting Lives (more lives at the beginning) - 10/20/40/60/X/X/X/X extra lives, costs 1/2/4/6/X/X/X/X tokens
 * 5) Sell price (sell towers for more) - 82%/X%/X%/X%/X%/X%/X%/X% of buy price as sell price, costs 2/X/X/X/X/X/X/X
 * 6) Big Bloon Sabotage (MOAB class bloons enter with less health) - 2%/4%/6%/8%/10%/12%/X%/X% less HP for MOAB class bloons, costs 2/3/4/5/7/10/X/X tokens
 * 7) Hotter Cooldown (abilities charge faster) - 2%/X%/X%/X%/X%/X%/X%/X% less charge times, costs 1/X/X/X/X/X/X/X tokens

Each of the above can be upgraded 8 times, costing more tokens the higher the upgrade tier.