Science4you
Science4you Betabot Robot Building Kit
126 pieces to build a real motorized robot that actually moves.
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Scores by criterion
Pros and cons
What we like
- 126 pieces assemble into a motorized robot
- Battery-driven motor moves it forward and backward
- Educational book included
- Made for ages 8 and up
What may bother
- Movement is limited to forward and backward
- Assembly takes patience and attention to the steps
Our verdict
83 / 100Curious 8-year-olds who like to understand how things work will enjoy the build and the book. Skip it for a child who wants a programmable or remote-controlled robot, or one who does not enjoy following assembly steps.
Frequently asked questions
Does it move once built?
Yes, it has a small built-in motor powered by AA batteries.
How many pieces does it include?
126 pieces, plus an educational book.
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How we score
The CTG score out of 100 is the weighted average of five criteria rated for every product: proven reliability (36%), perceived value (18%), bond and memory (18%), originality (14%) and novelty (14%). Each criterion has its own published scale, identical for every product: it rates generously, because every product in our selection is already good. The score does not depend on the guide. 60 to 69: average gift. 70 to 77: good pick. 78 to 85: safe bet. 86 to 89: favorite. 90 and above: the perfect gift, a label reserved for excellent products that customers like, one winner per occasion. In a guide, the score for the recipient combines this score with the place in the ranking. The budget is an indicative range: the exact price is shown by the store at checkout. Read our full selection method →