The Source 12-in-1 Solar Hydraulic Kit




  • Powered by solar energy
  • Can build 12 mechanical models
  • 230 pieces
  • H37cm x W23cm x D8cm approx.
  • Suitable for ages 8 and over


Develop your engineering skills with the 12-in-1 Solar Hydraulic Construction Kit from Stem. Build one of twelve different mechanical models including a climbing monkey, snapping crocodile and powerful forklift. Powered by solar energy and water for environmentally friendly play, try using your imagination to create your very own mechanical species.

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Shipping & Delivery

All orders are processed within 2-3 business days. Orders are not shipped or delivered on weekends or holidays. We offer same day dispatch for a £3 additional cost.

If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.

Shipping rates & delivery estimates

Shipping charges for your order will be calculated and displayed at checkout.

Royalmail Standard 3-5 business days: Free

Royalmail 1st class 2 business days: £1