Woot offers Xtreme Time 9-in-1 Push Up Rack Board System for $19.99 (orig. $54.99). Free shipping for Prime Members.

Product Description:
An innovative color-coded pushup board training system that strengthens and shaping your entire upper body (chest, shoulders, back, and arms), while engaging your total core.
This challenging strength and conditioning 10-week program combines Power Press push ups with intense calorie-burning cardio, plyometrics, and core exercises for a total body workout. In just 30 minutes a day, you will develop muscles, build upper and lower body strength, burn calories, and lose weight.
Features:

• Different color-coded push up board targets specifics muscles worked (Blue-chest, Red-shoulders, Yellow-back, and Green-triceps)
• Heavy duty "Plug & Press" push up board system with multiple positions and angles that sculpt and maximize upper body definition
• Burn calories and build strength with this innovative pushup system, leading you through a total-body strength and conditioning workout
• Portable, Simple Assembly and Storage
• Premium, Cushioned, Non-slip Hand Grips
• Imported