Conversely, a significant number of reviews highlight inconsistent or outright failed crystal growth, with some users reporting crystals that were brittle, fragile, or dissolved when rinsed. Concerns also arose regarding the amount of crystal materials provided, suggesting the kit does not allow for simultaneously growing the advertised number of crystals, and a notable lack of warnings about proper solution disposal, which caused plumbing issues for some.

Many users found the kit's instructions clear and straightforward, making it an engaging and educational activity that introduces fundamental chemistry principles. When successful, the crystal growth process was described as captivating, leading to visually appealing and unique formations, often fostering a sense of excitement.

A significant number of reviews highlight concerns about the toy's overall build quality, citing flimsy or fragile parts that can break during assembly, particularly with the wiring. This frequently leads to difficulties in getting the rover to function reliably, often requiring exceptionally bright, direct sunlight to operate.

The toy is often seen as an effective way to introduce children to solar energy concepts and provides an engaging build experience for some, with reports of it successfully operating when assembled correctly.

However, common issues include the kit's fragility and parts breaking easily. Many users also report the toy requires extreme conditions or additional effort to demonstrate its intended function, such as needing very strong wind for the turbine to generate power, which often leads to reduced engagement for children. Additionally, the kit frequently necessitates external supplies and specific tools not included in the box.

Many users find the kit relatively easy to put together, and its core scientific principle generally works as expected.

A recurring concern among users is the product's quality, specifically the fireflies not working out of the box or failing quickly. Furthermore, some reviewers note issues with the battery type, particularly button batteries, and the ongoing expense of replacements.

Users consistently describe the game as engaging and versatile, providing enjoyable, active play for children across different age groups in various settings.

The toy frequently takes much longer than stated to hatch or emerge, often requiring adult assistance to fully release the yeti, which can lead to disappointment.

Children generally find the process of watching the Yeti emerge from its iceberg engaging and enjoyable.

A common concern among users is the toy's tendency to break or fall apart during the growth process, often resulting in uneven expansion, a bumpy texture, or the release of internal material, and some found it did not reach the advertised 'ginormous' size.

The toy generally expands to a substantial size, with children often finding the process of watching it grow over several days to be highly engaging.

However, several users experienced challenges with assembly due to unclear instructions and difficulty identifying specific planet parts. The model's fragility was a common concern, with reports of pieces not staying securely in place or the entire structure being prone to tipping. Additionally, some customers received kits with missing components.

Families often find this kit provides an engaging activity, especially the painting, and appreciate its suitability for school projects or display, noting the etched details and the interactive movement of the Earth and Moon.

The primary issue reported by users is with the included magnets, which are frequently described as having insufficient strength or weak adhesive, causing the decorated tiles to detach from surfaces and occasionally break. Other common concerns include the small size of the tiles and limitations with the paint quality, quantity, or adherence.

The activity is generally found to be engaging and fun for children, fostering creativity and allowing for reusability by wiping off paint.

Many users found the kit to be quite small and composed of flimsy materials, such as cardboard, which often led to a perception of low value for the cost. Additionally, it requires a significant waiting period for flowers to press and may be too complex or require too much adult assistance for very young children.

The kit is generally considered a cute and appealing gift for young children, especially those aged 5-6 who enjoy arts and crafts, and is noted to function effectively as a basic flower press.

A frequent issue highlighted is the product's quality and durability, with many reports of units arriving broken, being non-functional upon receipt, or quickly malfunctioning after minimal use due to apparent manufacturing defects or fragility.

When functional, the toy offers entertaining and humorous voice-changing effects that are loud and engaging for children.