Father’s Day is less than a week away! Are you ready? We’ve rounded up some unusual and funny gifts for dad—all less than $20.

The groove and crevice cleaner removes debris from all those outdoor spaces that are hard to reach: between deck planks, bricks, patio tiles and concrete slabs. The steel blade is weather- and rust-resistant, and the long 32-inch handle lets clean without bending or stooping. Just $19.95!

It’s the home version of the popular NBC TV game show! The rules of Deal or No Deal are simple, but this game of odds and chance is a challenge. First, select a briefcase. As each round progresses, you have to decide whether to keep your briefcase or make a deal with the bank for a different one. Will you hold back or take a huge risk? Each right choice will bring you closer to winning the game. Only $13.98!

The Golfer’s Doorstop is the perfect gift for the lunatic golfer. This device acts like a traditional door wedge and it’s also a putting aid. A thin ramp will help sharpen your dad’s aim, hone his speed control, and further feed their golfing addiction. Includes the golf ball, and it’s only $17.95.

The Mischief Maker’s Manual, an illustrated book, was written for kids but is great for anyone who still loves to pull pranks on people. Five specific sections, including “Do-It-Yourself” and “Recipes,” offer readers an amusing guide to pulling off perfect pranks, such as making crank calls and creating an eerie foaming toilet, complete with step-by-step instructions and “helpful” illustrations. Less than $15!