WHACK! Roller blind
The introduction
that really
works.
Children aged 3–6 years learn tennis by rolling — not by hitting. The result: immediate success, no frustration, no quitting.
Payment immediately · Shipping Mid-July 2026 · Legal right of withdrawal 14 days
9 out of 10 children
quit in the first
month.
Not because they don't like tennis. But because parents don't have a roadmap — and the standard introduction is simply structured incorrectly.
You prepared everything.
After ten minutes, the excitement is gone.
- Court too big, ball too fast
- No sense of achievement in sight
- Child doesn't want to come anymore
The problem is not your child.
With the Rollo, your child experiences
immediate control and success.
- Rolling instead of hitting — immediately doable
- Clear task, visible goal
- Child wants to come again
The right start changes everything.
The start.
Without frustration.
Immediately.
“What the balance bike is for cycling, the Rollo is for tennis.”Coach Chris · 25 years children's tennis coaching
4 Phases.
1 Rollo.
Real Progress.
Each learning phase builds on the previous one — thus creating real tennis competence, step by step.
Rolling the ball without movement. Focus on hand control and target.
Go to the ball, roll, return. Develop spatial awareness and distance perception.
Precision and direction. The child controls where the ball rolls.
Playful variations. Child experiences real flow of play — ready for the racket.
Christoph Wagner
Coach Chris
Your child starts
the right way.
First edition — limited quantity. First come, first served. Pre-order price is only valid now.
Legal right of withdrawal: 14 days after receipt of goods. Pre-order price valid only during the pre-order phase. Afterwards: €180 regular.