# Sillbird UK-900 5-in-1 Programmable Robot Car Kit, 727 Pieces

Programmable: Sillbird UK-900 is a 5-in-1 STEM robot-car building kit listed with 727 pieces, app and remote control, LED eyes and a rechargeable battery. It is intended for ages 8 and up, with several rebuildable models for construction-focused play.

- [Original product page](https://bargainpostbox.co.uk/product/sillbird-uk-900-5-in-1-programmable-robot-car-kit)
- [View offer](https://bargainpostbox.co.uk/visit/sillbird-uk-900-5-in-1-programmable-robot-car-kit)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Sillbird
- Model: UK-900
- Category: Toys & Games > Building Sets & Models
- Price: 42.49 GBP
- Previous price: 49.99 GBP
- Discount: 15%
- Price checked: 2026-11-14T10:18:18.751Z
- Rating: 4.6 / 5
- Reviews: 41

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The 727-piece set is described as rebuildable into a robot, car, tank and owl, although the title calls it 5-in-1 and the feature list names only four designs.
- The listing describes app and remote control, expressive LED eyes and sound effects.
- The kit requires assembly and includes a manual according to the stated contents list.
- The maker claims up to 40 minutes of play per charge. Actual runtime is not independently established.

## Pros

- Multiple rebuilds offer variety beyond a single finished model.
- App and remote operation add interactive control after assembly.
- The stated included battery and rechargeable design avoid relying on disposable batteries for routine play.

## Cons

- Assembly is required, so this is less suited to buyers seeking a ready-to-play toy.
- The stated play time is limited to up to 40 minutes per charge.

## Specifications

### Identity and kit
- Brand: Sillbird
- Model: UK-900
- Piece count: 727
- Buildable designs: Robot, Car, Tank, and Owl
- Recommended age: 8 - 18 years
- Assembly required: Yes
- Material: Plastic
### Control and power
- Control options stated: Control it via Bluetooth app or remote
- Battery: 1 Nonstandard Battery batteries required. \(included\)
- Claimed play time: up to 40 minutes of continuous play on a single charge
- Features: LED eyes that change expressions and fun sound effects
### Dimensions and installation
- Dimensions listed: 30 x 19 x 20 centimetres
- Weight listed: 1500 Grams

## Before you buy

- The listing has inconsistent age guidance: the title says ages 8–14, one detail says 8 Years And Up, and another recommends 8 - 18 years. Its 5-in-1 claim conflicts with the four named builds, and model identifier UK-900 differs from manufacturer part number UK901. The listed battery description also says a nonstandard battery is included, while the feature text describes a built-in rechargeable battery. Confirm the selected listing's age range, model and battery details before purchase.

## In the box

- User manual (Included)

## A good fit for

- Children aged 8 and over who enjoy building and rebuilding mechanical toys.
- Families looking for a hands-on construction activity with app or remote control.

## Less suited to

- Buyers wanting a toy that needs no assembly.
- Anyone needing a verified runtime longer than the stated up-to-40-minute claim.

## Customer feedback

Aggregate ratings are favourable overall, but they are not a substitute for comments explaining how the kit builds or works. The small rating sample includes some lower-star ratings, so buyers should treat satisfaction as varied rather than assume a specific strength or fault. The available ratings do not establish the accuracy of the kit's feature claims.

## Frequently asked questions

### How many designs can be built?
The listing calls it a 5-in-1 kit but names four designs: robot, car, tank and owl. The fifth design is not identified, so check the selected listing for clarification.
### What age is this kit for?
Age guidance is inconsistent: the title gives 8–14, while details state 8 Years And Up and 8 - 18 years. Confirm the intended range before buying.
### Does it include a rechargeable battery?
The feature text describes a built-in rechargeable battery and claims up to 40 minutes of play per charge. A separate battery detail calls it a nonstandard battery included, so the exact battery arrangement is unclear.

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## Add-ons

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## Images

![Sillbird UK-900 5-in-1 Programmable Robot Car Kit, 727 Pieces — 1](https://bargainpostbox.co.uk/i/kQl01zjMoJTplANqKMhml_Qz-YPqxMjEgc9d4MD2we5S8l7vIfKjp3swbvfrjHOje_RAoiGheNBpIgqLDmRqejo_0F49mSm5zm47jOs9iJbmJ6M0O1n31-eS.jpg)

![Sillbird UK-900 5-in-1 Programmable Robot Car Kit, 727 Pieces — 2](https://bargainpostbox.co.uk/i/IxchJ9TKpzaGrJPn2YgY8MuLSUf7GEzJv_qghCYf-kOTQ7Pr2n7S6oUhD17xdRRFrb7ivkHpqEU1vrXorSVEDi6yZmZmlqL7VGW7PF7gCsOAOlBOZWMDVV2i.jpg)

![Sillbird UK-900 5-in-1 Programmable Robot Car Kit, 727 Pieces — 3](https://bargainpostbox.co.uk/i/EVFAjuyx2W-AU4gywqHilSyTl49EByP2yxTq_TLmvR64MbanFNcGmbyAsu7wFAwfbxeqT32xr18C08sp6IV8aazQtU2M6liO2Z7MtDvLDToGDU9vAKFrCByK.jpg)

![Sillbird UK-900 5-in-1 Programmable Robot Car Kit, 727 Pieces — 4](https://bargainpostbox.co.uk/i/-Tv6ZZfeFcN5DYM0GRDFnTMD9bOZZnOyfaSvaX1JnQEZAL6tb1Nt0wNNqYW7cNBxOYpvm1DQqfQSgA6sgaEMaC4S2ijAOZP76_rWpCKelu5W7_dVB8FUllj9.jpg)

![Sillbird UK-900 5-in-1 Programmable Robot Car Kit, 727 Pieces — 5](https://bargainpostbox.co.uk/i/iI8HH3vZPP6U3sXpdkDrETREewae8IeEVvo2_70LEbLMM4AakAndh84N6pQWwtwrm0yLWme0O4WLmatUec9HXXZIzckfRXNZZj0yCrmANv_BwB663aoSl7fw.jpg)

![Sillbird UK-900 5-in-1 Programmable Robot Car Kit, 727 Pieces — 6](https://bargainpostbox.co.uk/i/fg0qj0Q-b8GJHmLEPEWH3hojQMECw4Ob8Nm2CXaXcd77JU0LvEGMB64Fs_yWFwGG-iSe8LH4hDTH83BM_isUpyXmatwAqYjj4Za8z3YjhQuFxYG7_ZjTQ9j_.jpg)

![Sillbird UK-900 5-in-1 Programmable Robot Car Kit, 727 Pieces — 7](https://bargainpostbox.co.uk/i/SnMqHnxAUZWN3Xwk47H04q1ZD05lmDlZ3rU7dg4ESk5f3wxmbF-PpEi99tZM0qfTwRcPGvMKYVB5P9szCf_vv7V4Ypn7EKNHsyO7W7L9WIeYsjz0LcuvMyMW.jpg)